--- product_id: 1481655 title: "Spyderco Tri-Angle Sharpmaker Stone, Ultra Fine Grit" brand: "spyderco" price: "474 DH" currency: MAD in_stock: true reviews_count: 13 category: "Spyderco" url: https://www.desertcart.ma/products/1481655-spyderco-tri-angle-sharpmaker-stone-ultra-fine-grit store_origin: MA region: Morocco --- # Ultra fine ceramic grit for mirror polish Triangular design for versatile edge contact Compatible with Spyderco Tri-Angle Sharpmaker Spyderco Tri-Angle Sharpmaker Stone, Ultra Fine Grit **Brand:** spyderco **Price:** 474 DH **Availability:** ✅ In Stock ## Summary > 🔪 Sharpen smarter, slice sharper — the ultimate edge upgrade awaits! ## Quick Answers - **What is this?** Spyderco Tri-Angle Sharpmaker Stone, Ultra Fine Grit by spyderco - **How much does it cost?** 474 DH with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ma](https://www.desertcart.ma/products/1481655-spyderco-tri-angle-sharpmaker-stone-ultra-fine-grit) ## Best For - spyderco enthusiasts ## Why This Product - Trusted spyderco brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Upgrade Your Edge Game:** Transform your knives from sharp to legendary — perfect for chefs, craftsmen, and anyone who demands precision. - • **Precision Polishing Power:** Ultra fine ceramic grit delivers a razor-sharp, mirror-like edge that elevates your blade’s performance. - • **Seamless System Integration:** Specifically designed for Spyderco’s Tri-Angle Sharpmaker, ensuring perfect fit and optimal sharpening angles every time. - • **Durability Meets Convenience:** Lightweight ceramic stone with protective packaging, easy to clean and replace individually to keep your system fresh. - • **Versatile Triangular Profile:** Engineered to sharpen plain edges, serrations, and specialty blades with unmatched control and consistency. ## Overview The Spyderco Tri-Angle Sharpmaker Ultra Fine Grit Stone is a premium ceramic sharpening accessory designed exclusively for the Spyderco Tri-Angle Sharpmaker system. Its unique triangular shape offers versatile sharpening surfaces ideal for refining and polishing a variety of blade edges, including serrations. This ultra fine grit stone produces a mirror-like finish, enhancing blade sharpness and durability. Lightweight and easy to maintain, it’s sold individually to replace or expand your sharpening setup, making it a must-have for professionals and enthusiasts seeking precision and longevity in their cutting tools. ## Description Buy Spyderco Tri-Angle Sharpmaker Stone, Ultra Fine Grit | Accessory Stones for Sharpening, Refining, and Polishing Edges: Sharpening Stones - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: Outstanding Results! - I am a big fan of the Spyderco Sharpmaker system. I have used the Lansky system, a random crockstick system, Japanese water stones, ceramic/glass stones (like the Shapton), oil stones and Arkansas stones. I haven't used the Edgepro and some of the higher-end systems. Regardless, truth be told, I have drank the Spyderco kool-aid and love it, my knives are laser sharp in much less time than my second favorite system, which is a progression of water and Shapton stones followed by felt/leather strop with chromium oxide. So that said... I had the Sharpmaker basic kit for a while, and was reading about these ultrafine stones. The fine stones already got my better knives to pop hairs right off my arm, and my $30 Victorinox chef's knife will slice bread as well as any scalloped/serrated slicer, without crushing the bread at all and producing almost no crumbs. Veggies and chicken and other products simply don't stand a chance, every knife in my drawer will destroy them and stay sharp for weeks, even with heavy use on NSF plastic cutting boards. I've sharpened a few dozen knives and scissors and other implements for my friends, and they are amazed. So I'm reading about these ultrafine stones and had to try them out, see if they can get an edge polish equivalent to what I was achieving with much more time and effort on flat stones. Well, the hype is true. These are the real deal Holyfield. With a light touch these stones brought out a wicked sharp edge that is almost too eager to slice through anything within reach. Or maybe that's me. Just kidding. Actually, not. I had way too much fun shaving newsprint, push cutting through corrugated cardboard, making paperthin cucumber wafers, shredding my junk mail, slicing cleanly through rope, and trying out this new, sharp, durable edge on everything I could afford to have two of. haha Now this all begs the question, do you need a knife this sharp? That's a personal decision. For utility work, I'd say probably not. For industrial work, be it cutting vinyl tile or carpet or something like that, yeah it would be useful. For a butcher or wood carver or something of that nature, yes. So it really depends on your blades and what you do with them. I do believe that I can polish the edge a bit more with felt or with micron paste on horsehide to strop, which is something you would want with, say, a straight razor, which can basically never be "too sharp," as the sharper it is the less effort and pressure required. For less than an additional $30 to an already outstanding system that's under $50, I think it is money well spent. Fact is most people won't use these ultrafine stones on most of their knives all too often, so they'll last forever. Downsides? Well I certainly wouldn't drop one, as I am guessing they shatter quite easily. I do like how they are sold individually, so if one chips or breaks on you, can you replace just the one. They are easy to clean and come in a little plastic packing tube (mine did) with end caps to protect it. Some people might have a tough time getting the stone into their Sharpmaker base. Try reversing it. One side is painted red (on mine). Put that end into the base. Hope it helps! Review: If you have a sharpmaker and you're going all in on this system, why not? - I got two, for the full Sharpmaker experience. They're relatively cheap considering. If you're making the Sharpmaker your primary system, these are great to get an even finer, more precise bevel. They get a decent polish on the edge which is excellent priming for a strop to get you closer to a mirror edge. Are these mandatory? absolutely not. Are they nice to have? I think so. Definitely worth the money. I have had issues, mostly user error, lazy with maintaining my angle (yes, even with the Sharpmaker), and have completely broken off my micro burrs and destroyed my edge on some high-quality 20CV (American M390 equivalent) on an Olamic Whippersnapper. It actually left me kind of baffled. That same steel was quite prone to rolling over on a strop, but I haven't had that experience with other 20CV's, 204cp's, or M390's. These stones, like other ceramics, are prone to chipping. They are rather versatile for many, many blade shapes and are super easy to clean with a brillo pad and dish soap. I think the positives outweigh the negatives in every respect, but only if you have the Sharpmaker as your primary system. ## Features - Designed for the Tri-Angle Sharpmaker - Engineered specifically for Spyderco’s Tri-Angle Sharpmaker system, these accessory stones provide a reliable way to maintain cutting edges or expand the capabilities of your sharpening system. - Multiple Abrasive Options - Choose from Diamond, CBN, Medium, Fine, or Ultra Fine stones to support different sharpening stages, from aggressive steel removal and edge restoration to refinement and polishing. - Versatile Triangular Stone Design - The triangular profile provides broad flat surfaces and narrow edges, making it suitable for sharpening plain edges, serrations, and other specialized blade profiles with controlled contact. - From Fast Sharpening to Fine Polishing - Diamond and CBN stones provide coarse abrasion for quick steel removal, while Medium and Fine ceramics refine the edge and Ultra Fine ceramic produces a highly polished finish. - Replace or Expand Your Sharpening System - Replace lost or damaged Sharpmaker stones or add different abrasive options to customize your sharpening process; accessory stones are sold individually or in pairs as specified. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0019JTNDQ | | Best Sellers Rank | #132,692 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #212 in Sharpening Stones | | Brand | Spyderco | | Brand Name | Spyderco | | Color | White | | Customer Reviews | 4.7 out of 5 stars 1,222 Reviews | | Global Trade Identification Number | 00716104640171 | | Grit Type | Fine,Ultra | | Included Components | see descritption | | Item Dimensions L x W x H | 7"L x 0.5"W x 0.5"H | | Item Type Name | Spyderco Tri-Angle Stone - Ultra Fine | | Item Weight | 1.76 ounces | | Manufacturer | Spyderco | | Manufacturer Part Number | 204UF1 | | Manufacturer Warranty Description | SEE MANUFACTUER | | Material | Ceramic | | Material Type | Ceramic | | Model Number | 4640171 | | Number of Items | 1 | | Number of Packs | 1 | | Product Dimensions | 7"L x 0.5"W x 0.5"H | | UPC | 716104640171 | | Unit Count | 1 Count | ## Product Details - **Brand:** Spyderco - **Color:** White - **Grit Type:** Fine,Ultra - **Item Weight:** 1.76 ounces - **Manufacturer:** Spyderco - **Material:** Ceramic - **Number of Items:** 1 - **Number of Packs:** 1 - **Product Dimensions:** 7"L x 0.5"W x 0.5"H - **Unit Count:** 1 Count ## Images ![Spyderco Tri-Angle Sharpmaker Stone, Ultra Fine Grit - Image 1](https://m.media-amazon.com/images/I/41-0j0eJQ+L.jpg) ![Spyderco Tri-Angle Sharpmaker Stone, Ultra Fine Grit - Image 2](https://m.media-amazon.com/images/I/51Lsj4amidL.jpg) ![Spyderco Tri-Angle Sharpmaker Stone, Ultra Fine Grit - Image 3](https://m.media-amazon.com/images/I/6189lVRv9CL.jpg) ![Spyderco Tri-Angle Sharpmaker Stone, Ultra Fine Grit - Image 4](https://m.media-amazon.com/images/I/31GEnrJ-vRL.jpg) ![Spyderco Tri-Angle Sharpmaker Stone, Ultra Fine Grit - Image 5](https://m.media-amazon.com/images/I/51gSSwHQ3IL.jpg) ## Questions & Answers **Q: What is the grit of this stone?** A: According to the micron chart on The Gritomatic website the Medium Stone is approximately 800-1000-grit, Fine is 2,000-3,000, Ultra fine 4,000-5,000 JIS grit. **Q: When you get your blade to the sharpness that it is time to use the Ultra Fine triangle stone about how many stroke on average do it take to finish?** A: I use 40 or more strokes - at least two sets of 20 with every other stroke on the opposite side (i.e. stroke #1 on the right, stroke #2 on the left, and so on). Also, when I get to using the Ultra Fine Triangle stones, I taper off on the pressure I use, using lighter strokes the more strokes I use (although I don't have any scientific evidence to back this up, my intuition tells me that this allows the the stones to put a sharper edge on the blade). I have never been able to achieve the results shown on the videos of this sharpener being used on youtube. I got the best results with the best steel - an ESEE Izula in Damascus steel. With other steels, going from the Fine to the Ultra fine only dulled the edge. With some steels, going from the medium coarse (the dark brown stones) to the Fine dulled the edge. I don't know why this could be happening.I used the 30 degree setting on the Sharpmaker for the Izula although ESEE says the correct sharpening angle for the Izula is 20 degrees. That's the main problem with the Sharpmaker; the number of correct sharpening angles for knives is much greater than just two. Only problem is to get the exact sharpening angles, you have to go with the Wicked Edge Pro Pack I or II, and the II is $749.00. **Q: In the description it say "rods" as in 2. But the picture it shows only 1. My spyderco needs 2 rods. Which is it? Thanks** A: Oddly enough, these rods are sold individually. You need to buy 2 unless you intend to use it like a strop. Funny thing is, the diamond rods are sold in pairs. You should need only one diamond rod (profile one side at a time) . Hope this helps. **Q: Does this sell both the left and right ultra fine sharpener?** A: No, it's only one. To get the pair order two. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Outstanding Results! *by L***M on March 22, 2012* I am a big fan of the Spyderco Sharpmaker system. I have used the Lansky system, a random crockstick system, Japanese water stones, ceramic/glass stones (like the Shapton), oil stones and Arkansas stones. I haven't used the Edgepro and some of the higher-end systems. Regardless, truth be told, I have drank the Spyderco kool-aid and love it, my knives are laser sharp in much less time than my second favorite system, which is a progression of water and Shapton stones followed by felt/leather strop with chromium oxide. So that said... I had the Sharpmaker basic kit for a while, and was reading about these ultrafine stones. The fine stones already got my better knives to pop hairs right off my arm, and my $30 Victorinox chef's knife will slice bread as well as any scalloped/serrated slicer, without crushing the bread at all and producing almost no crumbs. Veggies and chicken and other products simply don't stand a chance, every knife in my drawer will destroy them and stay sharp for weeks, even with heavy use on NSF plastic cutting boards. I've sharpened a few dozen knives and scissors and other implements for my friends, and they are amazed. So I'm reading about these ultrafine stones and had to try them out, see if they can get an edge polish equivalent to what I was achieving with much more time and effort on flat stones. Well, the hype is true. These are the real deal Holyfield. With a light touch these stones brought out a wicked sharp edge that is almost too eager to slice through anything within reach. Or maybe that's me. Just kidding. Actually, not. I had way too much fun shaving newsprint, push cutting through corrugated cardboard, making paperthin cucumber wafers, shredding my junk mail, slicing cleanly through rope, and trying out this new, sharp, durable edge on everything I could afford to have two of. haha Now this all begs the question, do you need a knife this sharp? That's a personal decision. For utility work, I'd say probably not. For industrial work, be it cutting vinyl tile or carpet or something like that, yeah it would be useful. For a butcher or wood carver or something of that nature, yes. So it really depends on your blades and what you do with them. I do believe that I can polish the edge a bit more with felt or with micron paste on horsehide to strop, which is something you would want with, say, a straight razor, which can basically never be "too sharp," as the sharper it is the less effort and pressure required. For less than an additional $30 to an already outstanding system that's under $50, I think it is money well spent. Fact is most people won't use these ultrafine stones on most of their knives all too often, so they'll last forever. Downsides? Well I certainly wouldn't drop one, as I am guessing they shatter quite easily. I do like how they are sold individually, so if one chips or breaks on you, can you replace just the one. They are easy to clean and come in a little plastic packing tube (mine did) with end caps to protect it. Some people might have a tough time getting the stone into their Sharpmaker base. Try reversing it. One side is painted red (on mine). Put that end into the base. Hope it helps! ### ⭐⭐⭐⭐⭐ If you have a sharpmaker and you're going all in on this system, why not? *by B***C on December 1, 2020* I got two, for the full Sharpmaker experience. They're relatively cheap considering. If you're making the Sharpmaker your primary system, these are great to get an even finer, more precise bevel. They get a decent polish on the edge which is excellent priming for a strop to get you closer to a mirror edge. Are these mandatory? absolutely not. Are they nice to have? I think so. Definitely worth the money. I have had issues, mostly user error, lazy with maintaining my angle (yes, even with the Sharpmaker), and have completely broken off my micro burrs and destroyed my edge on some high-quality 20CV (American M390 equivalent) on an Olamic Whippersnapper. It actually left me kind of baffled. That same steel was quite prone to rolling over on a strop, but I haven't had that experience with other 20CV's, 204cp's, or M390's. These stones, like other ceramics, are prone to chipping. They are rather versatile for many, many blade shapes and are super easy to clean with a brillo pad and dish soap. I think the positives outweigh the negatives in every respect, but only if you have the Sharpmaker as your primary system. ### ⭐⭐⭐⭐⭐ Best you can get *by B***G on October 5, 2025* Best money can buy. Works perfect every time and will get a knife razor blade sharp. Easy to use and maintain. Had mine for years and still works like the day I got them. ## Frequently Bought Together - Spyderco - Tri-Angle White Sharpening Stone with Ultra-Fine-Grit for Professional-Grade Finishing and Polishing - 204UF1 - Spyderco Tri-Angle Sharpmaker, Complete Knife Sharpening System with Medium Grit and Fine Ceramic Stones for Professional-Grade Finishing - Compact, Easy-to-Use Design - 204MF - Spyderco - Tri-Angle Diamond Sharpening Stones for Professional-Grade Finishing and Polishing - 2-Pack - 204D --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.ma/products/1481655-spyderco-tri-angle-sharpmaker-stone-ultra-fine-grit](https://www.desertcart.ma/products/1481655-spyderco-tri-angle-sharpmaker-stone-ultra-fine-grit) --- *Product available on Desertcart Morocco* *Store origin: MA* *Last updated: 2026-08-26*