Inspect the edge with a scope or loop. So far I've only got the basic setup, but I would like to add the diamond and super fine stones soon. problem with these microscopes is you need a windows laptop or desktop to use them. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Both steels have a similar ease of sharpening score (i.e., they're really hard to sharpen). Carbon content is crazy high at 2.3% - compared to a "premium" steel like S35VN at 1.38 or even Bohler M390 at 1.9. Sharpening can be dangerous, so be sure you are in the right frame of mind when you do itnot mentally or physically tired, nor pre-occupied. 440B S35VN You must log in or register to reply here. I.e. By low he means an edge angle between 15 and 20 degrees. I started with a 1,000 grit stone and kept at it until the edge was sharp and the point had been fixed. It is suitable for straight razors used to cut soft materials like hair. by Wayne Goddard Are you looking for sharpness or durability? Big mistake. I say a lansky systemthats what i use, and i can put a mirror edge on anythingcheck out bluntruth's vids on youtubehe does one on sharpening. The stones used in this video are a coarse diamond plat. I even showed it to my dentist. If the knife isnt positioned correctly no matter how you adjust the angle youll never make full bevel contact. It is a bit harder to get it to atom splitting levels of sharpness but that is more about the steel, not which sharpening media you are using. If it gets bad, the Diamond rods will be needed to reprofile the bevel. FPT | 200-PGA. Decreased angle to 17dps balsa strops 1, .5 diamond paste each 50 strokes per side 8. I have one and love it. I like to reprofile all my knives to 15 degrees/side. To sharpen the CPM S90V blades with the SelectEdge 14 degree angle of its Hidden Canyon Hunter and Saddle Mountain Skinner, Benchmade offers the model 50082 14 Degree SelectEdge Guided Hone Tool. SPY27 | Privacy. S35VN and S90V. Ok, so I've got a Para 2 CF S90v that I just acquired in a trade on the way to my house, and I plan on using it. On the other hand, wider angles create durable blade edges suitable for demanding cutting jobs like slicing bones or cutting coarse vegetables. $$$ though. Rex 45 The edges do not give precise cuts, but they will withstand impact and pressure without breaking or chipping. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. If deciding to go for a full polish on S90V, it should be straightforward using a full sequence in diamond, through Fine/EF/EEF and hard strops with diamond compound in at least 3 and finer. For Sale: Custom & Semi Production Knives (Dealer), KnifeMaker's Market: Knives & More for Sale, Wanted: Knifemaker / Craftsman / Related Services, Busse / Swamprat / Scrapyard Knives For Sale, For Sale: Traditionals, Slipjoints, "Old Timey", International (Non-US) For Sale & Trade Forums. Black Soft Loop included. lol. One slip and your blade is forever scarred. One of the best things about the Magna-Guide is you can use the Double Sided Diafold files as stand-alone sharpeners without the guide rod and angle guide clamp. Hunter ICV In-Line / Angle Valve with Flow Control 3 in. The key here is to select a sharpener you feel very comfortable in using. It may not display this or other websites correctly. I really appreciate it Mike!! These all are describing the hardness of . Benchmade uses its SelectEdge 14-degree included edge on the knife. 20CV Of ZDP (spyderco), S90V (spyderco), S110V (kershaw), and S125V (Fantoni) CPM-S90V from sypderco has been the most difficult steel I've ever sharpened. G10 You are 100% ready to go with the SM and s90v. The diamond rods are mandatory. It is ground thinner because S90V is a high-yield-strength steel that can retain its strength with a thinner edge without deforming or chipping. I normally don't use 80's. I find them too aggressive and 100's will get a re-profile done. Designed in conjunction with and manufactured by Work Sharp, this compact sharpener incorporates a fine grit ceramic rod and a leather strap on the backside. Rc 58-59 IIRC, Its a stainless Tool steel. The best angle of sharpening is one of those very intriguing topics that many have explored but most have come up with different answers, states Jake Broce, online marketing coordinator for A.G. Russell Knives. They should be here next week. The edges do not give precise cuts, but they will withstand impact and pressure without breaking or chipping. Secondly, I lost patience trying to get the knife super sharp, so I backed down to a coarser grit. Next Last-Lucky-Joined May 11, 2010 Messages 786. . JavaScript is disabled. One of the hottest CPM S90V blade's right now is the Benchmade 940-1 with exceptional performance. Touch it up often on fine rods and you should be able to keep it shaving sharp without much issue. It is ground thinner because S90V is a high-yield-strength steel that can retain its strength with a thinner edge without deforming or chipping. Attached to an FWCX Extra Coarse/Coarse Double Sided Diafold, the manual system can easily reprofile an edge to any one of seven pre-set angles. You are 100% ready to go with the SM and s90v. Knives with thin blades get a sharp edge faster when sharpened at lower angles. It is a process of trial and error, Crawford notes. A sharpening angle of 10 to 17 degrees is still quite low for most knives. Thread starter-Lucky-Start date Dec 10, 2010; 1; 2; Next. Cutlers like axes, machetes, and cleavers are sharpened at this range, allowing them to withstand the cutting abuse they are subjected to. Time to move on to 3,000 grit. Find many great new & used options and get the best deals for Spyderco Tri-Angle Knife Sharpening Rod Medium-Grit Ceramic Stone 204M1 at the best online prices at eBay! MSRP: $50. In practice I usually run out of patience after 5 mins, and grab either the Edge Pro 120 grit, DMT x-coarse/coarse diafold, or DMT bench stone. without a micro bevel. Im wondering what the best practice would be to maintain the sharp edge with S90V? lol .Thanks for everyones advise! rex 121 S90V steel is another super steel produced by crucible industries. LC200N The Diamond rods are a great investment IMO. For Sale: Custom & Semi Production Knives (Dealer), KnifeMaker's Market: Knives & More for Sale, Wanted: Knifemaker / Craftsman / Related Services, Busse / Swamprat / Scrapyard Knives For Sale, For Sale: Traditionals, Slipjoints, "Old Timey", International (Non-US) For Sale & Trade Forums. 204 Sharpmaker will fix you up. The typical reporter tends to view society through a political lens and has little exposure to religion. . pocket knife Edge Pro & Paper wheels would be your best chance. Manage Settings I think I gave the blade 30 strokes before switching to 3 micron diamond lapping film. Save my name and email to use for future comments. Thanks for the link. Most of the time I don't have to do. Find many great new & used options and get the best deals for Lansky Deluxe 4-Stone diamond Controlled-Angle Precision Knife Sharpening kit at the best online prices at eBay! If no chips then start with 1500 and see if that will bring it back with a 8 or 10 passes. This angle is very low for knives. A couple years later I got the Generation Pro 3 sharpener. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Sharpening CPM S90V | Benchmade 940 iheart Knives 1.04K subscribers 5.9K views 3 years ago In this video I'll sharpen the Benchmade 940 in S90V and Carbon Fiber. knowledge base. Selecting the right sharpening angle is an important step in knife sharpening because it determines the blades sharpness and durability. On-Sale $109.05 List Price $199.95 As low as $103.60. If you need help just ask. by Wayne Goddard These angles should not be used to sharpen blades made from very hard steel because the blades are very brittle and highly susceptible to damage. If you have a fancier sharpener you'll probably have an easier time, but I think the Sharpmaker is more than adequate. For tough chores such as chopping or batonning, a wider angle is best. Doesn't need much, if any stropping after, if the finishing touches from the hones are good (light touch, always). He said it was sharper than his scalpel. My S90v mule is at 10 degrees per side. Sometimes it can flop back and forth as you sharpen. Most sharpeners can sharpen these angles, including guided systems, sharpening stones, and powered sharpeners. . The knife turned out perfectly. They should only be sharpened using very fine abrasives like water stones. A premium steel, S90V is notoriously difficult to resharpen, a difficulty negated via frequent edge maintenance sessions with the 50082. I've found these stones to be a must-have item for the Spyderco Tri-Angle Sharpmaker they've helped me tackle some really dull edges. Its pretty much a downsized version of a larger and much more expensive 272 slack belt grinder used by many knifemakers. I know its harder to sharpen but holds an edge longer. I was able to get a pretty good edge on this cheap $5 knife from walmart. A safe bet is to invest in a sharpener that sets and maintains the edge angle for youall you have to do is set the sharpener to the desired angle. As far as reprofiling, I don't find s90v really much harder to work with than s30v and the like. The Edge Maintenance Tool works well with pocketknives, fixed blades, and tactical folderspretty much any knife. CPM 3V, CPM 154 CM, CPM S90V, M390, K390. I agree that the UF rods are a nice-to-have. The kits have been a game changer for consumers who struggle with freehand sharpening on a bench stone. The only real issues are time and edge damage. Sharpening knife with Worksharp Pocket Knife sharpener in Wyoming. The regression achieves a very good R2 of 0.79. You must be logged in to reply to this topic. ATS 34 12C27 Standard SM plus diamond rods are pretty capable. CPM S90V; CTS-204P; D2; Damasteel; Elmax; LC200N; M390; M4; MAXAMET; N690; Nitro V; VG 10; X50CrMov15; ZDP 189; Damascus Knives . Practice on some cheap kitchen knives to get a feel for it, and use the sharpie trick to see where you are . I did order some9 Micron Diamond Lapping Film for the glass side of the 1500 grit blocks i have. Wicked Edge Precision Knife Sharpener | Topic: How to Sharpen CPM S90V, This topic has 0 replies, 1 voice, and was last updated, This topic was modified 2 years, 2 months ago by. H1 A day without laughter is a day wasted. For the tougher steels I tend to agree with others that it's best to keep the edge touched up often. X50CrMoV15 steel, Factors That Determine the Right Sharpening Angle. It made me look twice at my grit wheel to see why it didn't seem to take off enough metal. What Is The Best Sharpening Angle For Beginners? Again, I kept at it for almost three hours. HAP40 The blade was reasonably sharp, but the tip was completely rounded over. Such kits all help instill confidence and the ability to subtract guesswork at maintaining the desired angle. Sharpening S90v. sk5 Thin blades are much easier to sharpen to low edge angles than thick knives, Crawford states. One slip and your blade is forever scarred. After that I progressed to a 1,500 grit stone. Here are factors that determine the best sharpening angle for your knives. A prime example of Toblers point is Benchmades 15017-1 Hidden Canyon Hunter, a compact drop-point fixed blade in premium CPM S90V stainless steel well known for its extreme edge-holding ability. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Copyright document.write(new Date().getFullYear()); Caribou Media Group | All rights reserved. Keep in mind that the first time any knife is put in a WEPS you need to document it with the AAG and establish the WEPS apex profile. The edge was wicked sharp, but I wanted to take it two steps further. S90V from Benchmade sharpens up much easier than S110V and almost as easy as S30V. Tobler is another proponent of the marker method. After that, I progressed to 0.025 micron diamond slurry. You have entered an incorrect email address! . The chart below will help you determine the best sharpening angle for knives and tools. It is a bit harder to get it to atom splitting levels of sharpness but that is more about the steel, not which sharpening media you are using. Thanks again to Mike (Mikelikesknives) for lending the knife to me to be able to show on the channel. But, if I do a few passes on the fine and ultra fine it gets me there. Everyone else already has it covered but I'll throw in my agreement. You probably know of the angle guide kits with a metal clamp that affixes to the blade and has uprights on either end with a series of holes that correspond to various degrees of angles. I am still on the mediums since I ran out of time last night, but I'm definitely seeing results. and the way they take a very fine edge, though. A lower sharpening angle will give a very sharp edge, while wider angles give you a durable blade. Knives sharpened in this category offer both durability and sharpness, and it can be achieved using guided systems, sharpening stones, or powered sharpeners. Top Evil D Member Posts: 26786 Joined: Sun Jun 27, 2010 3:48 am The vanadium carbides that are peppered through the steel are extremely hard, so much so that trying to sharpen them with traditional whetstones won't abrade the carbides. On-Sale $301.95 List Price $484.95. The 9 should be fin.. not a big spread between 6 and 9 . S90V, which I will forever more call goblin steel, is neat largely because of the vanadium content. Step 3: Start to Sharpen the Bench-made Blade Now, it is time to start sharpening the Bench-made blade. Japanese knife manufacturers recommend 17 degrees for their knives, while western knife manufacturers use 20 degrees. However, CPM 20CV blade steel offers better toughness, corrosion resistance, and it is easier to sharpen. I had to adjust the angle a few times to get it to remove all the marker. Postby Fanch_Man Mon Oct 24, 2016 9:43 am, Postby abbazaba Mon Oct 24, 2016 10:00 am, Postby Water Bug Mon Oct 24, 2016 2:59 pm, Postby farnorthdan Mon Oct 24, 2016 3:32 pm, Postby Fanch_Man Mon Oct 24, 2016 8:46 pm, Postby bearfacedkiller Mon Oct 24, 2016 8:50 pm, Postby Brock O Lee Tue Oct 25, 2016 12:27 am, Postby Surfingringo Tue Oct 25, 2016 5:25 am, Postby Able Dog Tue Oct 25, 2016 9:30 am, Postby Brock O Lee Tue Oct 25, 2016 9:42 am, Postby tripscheck'em Tue Oct 25, 2016 4:15 pm, Postby Surfingringo Tue Oct 25, 2016 6:27 pm, Postby bearfacedkiller Tue Oct 25, 2016 6:58 pm, Postby dplafoll Wed Oct 26, 2016 7:12 am, Users browsing this forum: awa54, Bing [Bot], camvdcs, Capt'n Boatsalot, cjk, DavidNM, dsvirsky, Evil D, JRinFL, MFlovejp, skeeg11, sovereign, Spydie_Flick, tyd450 and 44 guests. 1 Star & Up. Add to Cart. I also can't seem to get an edge anywhere near as sharp as some of you guys seem to get off the brown rods. I don't plan on sharpening my S90V Para2 until I get my Work Sharp Knife & Tool Sharpener(which is effectively a mini-belt sander). This range is ideal for outdoor or kitchen knives used for tough applications. Of all the super steels, S90V is arguably the hardest to work with. This range is ideal for outdoor or kitchen knives used for tough applications. DOWNSIZED 2X72 Given modern day abrasives + power tools, I don't feel the need to go with diamonds unless I'm taking the blade to my diamond-paste strops:thumbup:. Sharpening Tempering Tools About Me. Contacts. :spyder: Best advice might be to not let it get dull. Okay, thanks for the tips. The sharpmaker can easily sharpen S90V if the sharpener has the ability. Get a belt machine. We come to you and breathe new life into your knives, blades and edged equipment. CPM 3V You can use the method in conjunction with one of the guide kits even if the kit holds the angle constant for you. The major place where wear resistance starts to rear its ugly head is if your sharpening angle is *not* precisely the same as the bevel angle or if you're trying to reprofile to a different bevel angle, in which case I think it is very safe to say that S90V will be a lot more effort than Cruwear. Heat treat has as much to do as angle. Elmax Indifferent build quality to handles and backspring, spring is too stiff to actually use nail nick, needed a dab of loc-tite. If you are removing the marker at the cutting edge, your edge angle is too high and you are micro-beveling.. not a big deal just something to watch. At this point, the knife was so sharp I could drop a piece of paper on the edge, and the paper was cut cleanly in two pieces. The reason folks get frustrated with learning to sharpen is they dont keep the angles consistent. Which is better: Damascus steel or carbon steel knife. I watched Michael Christy sharpen it several times but he talks about how he goes about sharpening it and doesnt compare the toothy vs polished edge. I recently got a Benchmade 940-1 with S90V steel that Im using as my EDC. Soft steel, on the other hand, should be sharped at steeper angles which helps them withstand the stress without deforming. The sharpmaker will handle s90v just fine. I'd highly recommend picking up the diamond or CBN rods. Yes it's ridiculously expensive, and yes it requires the patience of a saint to sharpen but outside its less common cousin CPM-S110V (see above) nothing holds an edge or withstands abrasion quite like CPM S90V. Steve I like using the lightest grit you can get by with, like airscapes wrote. Both steels deliver extreme edge retention. I sent the knife back to Benchmade, and they replaced the blade for only $30.00. Cautions Broce, The first time you use [a guide kit] on your knife will usually take the longest, as your edge angle adjusts to the way you use the sharpener.. GATCO offers the Ultimate Diamond Hone Sharpening System, which is similar to the Lansky. I wasnt satisfied with the edge just yet, so switched to 6 micron diamond lapping film. You may get by with just stropping the edge, and not going with stones. These properties determine the purpose of the knife. Carl Cannon, Editor of the news . As for sharpening S90V, I've just started giving my Nirvana its first work on the Sharpmaker. I'll usually finish off s90v right off the 600 grit stone followed up with some stropping. On the other hand, thick blades should be sharpened at wider angles because they have a lot of material on the edge, and it will take you more time and energy to get a sharp edge. MSRP: $199.95. Sharpening angles of less than 10 degrees result in delicate edges that are easily damaged. . So was wondering if I should just hit it with 1000 or 1500 grit diamond stones every once in a while to keep it sharp. Any diamond system that will let you control the angle will do. Another tip is sharpen in a well-lighted area. Using a permanent black marker with a wider chisel tip, color the edge bevel on both sides of the blade. I prefer a fixed angle system (I use the Edge Pro) if I decide to change the profile or the edge requires major repair but once that's done I return to the SM for normal maintenance. As he warns, If you choose to sharpen a low edge angle onto a thick blade, be prepared to be patient.. Im practicing on cheap knives before I try out the WE on my expensive knives. I switched to Nano cloth using 0.050 micron diamond slurry. The Magna-Guide Kits MSRP: $27.49 (works with any Double Sided Diafold file). When I have used the 80's I spend a lot of . The new blade was stonewashed and not a satin finish the way it was originally. s30v USB microscope. Finally is sharpener selection. Is there anything else I would need to get a hair whittling edge? The Magna-Guide System features the Aligner Blade Guide clamp with integrated, adjustable angle guides. Understand that this is dependent on the clamping position of the knife. Sharpening angles between 22 and 30 degrees produce durable edges. Free shipping for many products! 20cv will outperform s90v when it comes to corrosion resistance. I never did get the blade as sharp as I wanted because normal grit progressions dont apply to S90V. Newish guy here. The secret to sharpening any knife is knowing which grit to start with. As with the 14 Degree SelectEdge Guided Hone Tool, built-in guides assist in achieving the optimal angle for edge restoration. I have basically zero experience sharpening knives so I need something thats easy to pick up. Theres a lot of good information about this in the W.E. Conventionally cast steels with large carbides are better suited to larger included angles.. They do not require electricity to operate. Products search. Where the knife is best positioned for the most effective contact is the sweet spot. With a total angle of 20 to 34 degrees, this is still a very fine edge. Therefore, use angles between 15 and 17 if only you are looking for sharpness. https://www.amazon.com/gp/product/B00XNYXQHE/ref=ppx_yo_dt_b_asin_title_o05_s00?ie=UTF8&psc=1. So, what is the best angle to sharpen a knife? Finish: Battleworn Black Nano Ceramic Coating Fully CNC Machine How to sharpen a hunting knife. Increased angle to 18dps repeated step #6 . I also have no sharpening systemwhat do you guys and gals recommend? For Sale: Custom & Semi Production Knives (Dealer), KnifeMaker's Market: Knives & More for Sale, Wanted: Knifemaker / Craftsman / Related Services, Busse / Swamprat / Scrapyard Knives For Sale, For Sale: Traditionals, Slipjoints, "Old Timey", International (Non-US) For Sale & Trade Forums. Diamond Machining Technology (DMT) offers the Double Sided Diafold Magna-Guide Sharpening System centered around the companys Double Sided Diafold folding diamond files. I do it all the time. There's a lot of good information about this in the W.E. From there adjust your edge angle to a lower degree and take a few more passes to see how the ink is being removed. If you have any questions feel free to leave them in the comments or email me at [email protected] THANKS FOR WATCHING! Appreciate it and yeah I had marked the bevel with the black sharpie that came with the WE. Knife blades made from hard steel should be sharpened at smaller angles because they yield a lot of strength. Featuring coarse-, medium-, and fine-grit diamond-coated abrasives, the kit includes Ultimate Finishing and triangular-shaped serration hones, too. Maxamet The edge came out very nicely. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Noctis3880 Joined Jul 22, 2009 Messages 11,409 Sep 25, 2010 #8 I've often said the hardest part of the KA-BAR Gunny Knife: An Oversized Blade Commemorates a Larger-Than-Life Personality, Knifemaking: ABS Master Smith J.D. S45VN Choose a factor below to start sorting. When you accomplish this, your edge angle is correct and you should have a sharp blade. Take a flat area to take the positions. This test is not perfect for our purposes since we are testing edge retention with a slice but the sharpness is measured with a push cut. The abrasive belts measure 1 by 18 inches and make quick work of any sharpening task. Ever try sharpening freehand on a bench stone with little experience doing so? And edge damage, because honing out chips from a steel like this is going to take even more time even with diamond rods. Those are set at one angle and use carbide to get the job done. S90V will take a nice polish and work well like that but its not easy getting there. I agree David, fixing up edge damage like grinding out visible chips changes the picture completely. They make all sharpening easier. For a better experience, please enable JavaScript in your browser before proceeding. With task-specific knives of high-yield-strength steels for hunting/field dressing, you may opt for a more acute edge angle, anywhere between 15 and 20 degrees. Of ZDP (spyderco), S90V (spyderco), S110V (kershaw), and S125V (Fantoni) CPM-S90V from sypderco has been the most difficult steel I've ever sharpened. It includes an extra coarse hone great for reprofiling edge angles. MSRP: $114.99. You are using an out of date browser. (Authors note: Motorized sharpening is best left to those with sharpening experience.) I'm really interested in the upcoming CF/Ti Millie from KW, but I'm a little apprehensive about my ability to sharpen S90V given my limited experience, and that mostly with softer steels. Ask a New York- or D.C.-based journalist what they know about evangelical Christians and you may well get an answer like, "They're the ones who voted for Donald Trump.". Less metal removed the better. The UF rods are a good upgrade option if you want shaving sharpness. Get the Sharpmaker, and a 6" utility stone from the hardware store (about $10), or a coarse diamond hone (usually about $20). I have this inexpensive model that does what i need it to do, also great on the lower magnification for removing splinters! MagnaCut For the paras, if you use a clamp system make sure you pay attention to how the blade is clamped in. VG 10 Steel If it is fairly well cared for knife (only about 7+ days of use anyway), it will be sharp. Yep, if you don't have an Edge Pro then Diamonds are the ticket. And if you use the marker method a lot, abundant lighting helps you see clearer without eye strain. You must log in or register to reply here. (Marty Stanfield Photography) One of the best cutting blades on the market, super steel at a mid-range price, unique quarter stop slipjoint mechanism, great clip and carry, something different. | Privacy. The manufacturer of Bench-made knife recommends you to use 30 to 35 degrees angle sharping, which you need to follow. My experience has taught me that there's nothing like digging in and getting started. There are plenty of sharpeners capable of reproducing keen edges. In fact, the key to successfully sharpening any blade regardless of the grade of steel is being able to maintain that angle. The goal is to sharpen the blade, removing the black marker ink from both sides. I progressed to 1.5 micron diamond lapping film, and then finally to 0.1 micron diamond lapping film. Ohhhh yeah!! It's probably the toughest steel I've had to reprofile to date. It helps for matching the edge angle already on the blade when resharpening, she observes. I've often said the hardest part of the 5 Angle-Guide Knife Sharpeners That Make The Cut, TOPS Little Bugger: Svelte-Bladed Straight-Edge, 5 Best Pocket Knife Sharpener Options [2022], Knifemaking 101 Read This Before You Make a Knife, 8 Things You May Not Know About Forged in Fire. Such low angles of 7 to 8 degrees are easily achieved using fine sharpening tools with at least 1000 grit, like water stones. Love the wicked edge system. For a better experience, please enable JavaScript in your browser before proceeding. You need a sharpening kit thatll help establish and hold a consistent angle. Focus on sharpening with little to no distractions. To connect, just join the interlocking fingers and slide on the locking corner plate to pull the substrates firmly together. S90V seems very easy to live with, using just a diamond hone or two, according to edge finish preference. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. They are affordable and can give you a very fine edge that pops hair. My Buck 110 with s90v responds well to a worn diamond coarse & fine. We can sharpen anything in your life - except for your karaoke skills, can't help there. Edge Retention Toughness Corrosion Resistance Ease of Sharpening Premium Steels Maxamet CPM-M4 CPM-S90V CPM CruWear CPM-S110V ZDP 189 CPM-20CV CTS-204P M390 Elmax CPM MagnaCut High-end Steels CPM-10V K390 CPM-S30V You can use any quality sharpener as long as it fits the steel type. vanax Consequently, you get a guided sharpening system and a standalone sharpener for the price of one. Different types of steel offer varied strength, and this impacts the sharpening edge. Knives sharpened past 30 degrees are durable but at the sacrifice of their cutting ability. Theres also a plastic storage case. Spyderco Sharpmaker is simple to use and fairly inexpensive. Dave, I'll agree w/ you on this steel. The EoS and ER numbers are scaled 1 to 10, with EoS = 10 being easiest to sharpen and ER = 10 denoting highest edge retention. That can do wonders to maintain an edge between sharpenings, also. I use it without the base. The edges produced are less durable than wider sharpening angles, but the sharpness achieved pays off. My very first knife was the Benchmade 940-1, which is made with CPM S90V.
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