--- product_id: 2257938 title: "Diamond Machining Technology (DMT) Diafold Serrated Diamond Knife Sharpener, Fine (FSKF), 4\"" brand: "dmt (diamond machining technology)" price: "274 zΕ‚" currency: PLN in_stock: true reviews_count: 12 category: "Dmt (Diamond Machining Technology)" url: https://www.desertcart.pl/products/2257938-diamond-machining-technology-dmt-diafold-serrated-diamond-knife-sharpener-fine store_origin: PL region: Poland --- # compact fold & go design 25 micron fine diamond surface 4" tapered cone sharpener Diamond Machining Technology (DMT) Diafold Serrated Diamond Knife Sharpener, Fine (FSKF), 4" **Brand:** dmt (diamond machining technology) **Price:** 274 zΕ‚ **Availability:** βœ… In Stock ## Summary > πŸ’Ž Sharpen Like a Pro, Anywhere You Go! ## Quick Answers - **What is this?** Diamond Machining Technology (DMT) Diafold Serrated Diamond Knife Sharpener, Fine (FSKF), 4" by dmt (diamond machining technology) - **How much does it cost?** 274 zΕ‚ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/2257938-diamond-machining-technology-dmt-diafold-serrated-diamond-knife-sharpener-fine) ## Best For - dmt (diamond machining technology) enthusiasts ## Why This Product - Trusted dmt (diamond machining technology) brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Diamond-Grade Edge Refinement:** Micronized monocrystalline diamond surface (600 grit) delivers razor-sharp edges faster than traditional stones. - β€’ **Built to Last, Made in the USA:** Trusted by chefs, woodworkers, and pros for years of consistent, reliable performance. - β€’ **Mess-Free, Effortless Sharpening:** Sharpen dry or with waterβ€”no oils, no hassle, just instant edge revival. - β€’ **Ultimate Portability & Protection:** Folding handles shield the diamond plate, making it perfect for on-the-go professionals and hobbyists alike. - β€’ **Precision Sharpening for Every Serration:** Cone tapers from 1/4" to 1/16" handle all serration sizes with surgical accuracy. ## Overview The DMT Diafold Serrated Diamond Knife Sharpener (4", Fine 600 grit) is a precision tool designed to restore serrated and straight edges with a durable, micronized monocrystalline diamond surface. Its tapered cone shape (1/4" to 1/16") sharpens a variety of serrations and small blades quickly and cleanly without oils. Compact and foldable, it offers professional-grade sharpening on the move, backed by American craftsmanship and years of proven reliability. ## Description Product Description One tool for many tasks and an excellent value for home, shop, and recreational use. The Diafold Serrated Knife Sharpener not only maintains serrated edges, but also serves as a mini-steel, gut hook sharpener and conical file. 1/16" to 1/4" taper. Fine diamond (25 micron / 600 mesh) for a razor sharp edge in a convenient size. Measures 9 1/2" open and 5" closed. Folding plastic handles protect the sharpener when not in use, and thanks to our DMT technology, it sharpens edges faster and easier, dry or with water. This made-in-the USA tool is preferred by woodworkers, chefs, and other professionals. Our durable diamond sharpening stones are built to provide years of consistent performance and reliable service. From the Manufacturer One tool for many tasks--an excellent value for home, shop and recreational use. The Diafold Serrated Knife Sharpener not only maintains serrated edges, but also serves as a mini-steel, gut hook sharpener and conical file. 1/16" to 1/4" taper. Fine diamond (25 micron / 600 mesh) for a razor sharp edge. Convenient size: 9 1/2" open. 5" closed. Folding plastic handles protect sharpener when not in use. Sharpens in a fraction of the time required by conventional stones. No messy oils needed--sharpen dry or with water. Durable construction will provide years of consistent performance and reliable service For proper tool maintenance, Woodworkers, chefs and other professionals rely on the superior quality and versatility of DMT products. Made in USA. Review: very simple and easy to use - I seriously wish i could give this product more then 5 stars .. i have always despised serrated edge knives because I could never sharpen them . well i have started making more bread etc needing the serrated knife sharp .. i have an heirloom knife for bread so i had to sharpen this to use .. well this tool is so simple to use i have been pleasantly surprised how well it sharpened my knife . this tool is easy to grip as well the tool does not feel gritty the sharpening part nor did i noticed anything on the knife after i sharpened it like you may see when use a stone to sharpen knives . I have to say this works quit well is an excellent tool as well as a great value . Review: Great for serrated edges, pen knives, pocket knives, exacto knives and carving / cutting tools with contoured edges! - I have this Diafold "Serrated" Knife sharpener in the Fine and Coarse diamond grits, and has thus far been very impressed with the quality of these sharpeners. I originally bought this with just the task of sharpening serrated knife edges in mind, but this sharpener has turned out to be more than just that. First, for the serrated edges - I have two Sypderco knives (Police, Delica) that have a combo serrated edge, and between this and the coarse grit, it works very well on re-honing the edge on the serrated VG-10 edges. Due to the VG-10 being a little more difficult to sharpen, your method has to be steady and you have to stick with it on the fine grit to get a nice edge. For the serrated knives in the kitchen - most of my kitchen knives are much softer and easier to sharpen than the Spyderco serrated edge - so after sharpening the Spyderco's the kitchen knives were a breeze. I used the coarse to get the edge started, then moved to this fine grit to finish it off. Where this sharpener came in handy and as a surprise is when I discovered how well this works on my small pen knives, pocket knives and mostly woodshop tools. It is perfect for pen knives and small pocket knives for touching up an edge - the size of the rounded rod is perfect for control and for small edges. Also, in my woodshop I use exactor knives and other carving / cutting tools that have curved edges For instance, Lee Valley makes a small carving tool with replaceable blades of different shapes / contours - like curved, sloped, straight blades - and these Diafold rod sharpeners turned out to be PERFECT for this application. I have also employed this tool in some of my plane restoration projects when there are tight spots that need a little filing or honing. The uses for this tool seem to increase daily. For instance,I wanted to touch up the edges on my electric hedge trimmer - again, tight spots without a lot of clearance and small edges to sharpen on the hedge trimmer - and this tool again shone in that application. Nice tool, highly recommended if you have any applications like serrated, tight spots, small edges, etc. I own many DMT tools, and the quality does not need to be justified - that is one thing you can rest assured of, that the quality is there. Thanks for reading. ## Features - Diafold Serrated Knife Sharpener: Features 4" cone tapers ranging from 1/4" to 1/16" in diameter; designed for sharpening serrations of all sizes and straight-edge knives, this lightweight diamond stone is ideal for your home, shop, or recreational use - Diamond Surface: This amazing tool not only maintains serrated edges, but also serves as a mini steel gut hook sharpener and conical file; features a fine diamond (25 micron / 600 mesh) surface for razor-sharp edges - Portable: Compact, lightweight diamond serrated sharpener features convenient fold-and-go handles, which enclose and protect the diamond plate when not in use; Measures 9 1/2" open and 5" closed - Fast & Easy: A micronized monocrystalline diamond surface sharpens edges faster and easier than conventional sharpening stones; No messy oils are needed either -- sharpen dry or with water - Made In The USA: Preferred by professionals for their superior quality and versatility, our durable diamond sharpening stones are built to provide years of consistent performance and reliable service - Portable, lightweight with convenient fold & go handles which enclose and protect the diamond serrated sharpener when not in use - Fine diamond for a razor sharp edge. - Sharpens knives faster than conventional stones with DMT's monocrystalline diamond surface - No oil is needed-sharpen dry or with water - Durable construction will provide years of consistent performance and reliable service ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00004WFTZ | | Batteries Included? | No | | Batteries Required? | No | | Best Sellers Rank | #59,465 in Kitchen & Dining ( See Top 100 in Kitchen & Dining ) #213 in Knife Sharpeners #1,301 in Kitchen Knives & Accessories | | Brand | DMT (Diamond Machining Technology) | | Color | Fine | | Customer Reviews | 4.3 4.3 out of 5 stars (909) | | Date First Available | November 26, 2006 | | Global Trade Identification Number | 00017042011055 | | Grit Rating | 600 | | Grit Type | Fine | | Included Components | DiaFold File Fine | | Is Discontinued By Manufacturer | No | | Item Package Quantity | 1 | | Item Weight | 0.64 ounces | | Item model number | FSKF | | Manufacturer | DMT | | Material | Micronized Monocrystalline Diamond | | Measurement System | Metric | | Number Of Pieces | 1 | | Number of Items | 1 | | Part Number | DMTFSKF-BRK | | Product Dimensions | 9.5"L x 5"W x 3.25"H | | Size | 4" | | Special Features | Manual | | Style | Fine | | UPC | 017042011055 | | Warranty Description | See manufacturer | ## Product Details - **Brand:** DMT (Diamond Machining Technology) - **Color:** Fine - **Global Trade Identification Number:** 00017042011055 - **Grit Type:** Fine - **Item Weight:** 0.64 Ounces - **Manufacturer:** DMT - **Material:** Micronized Monocrystalline Diamond - **Number of Items:** 1 - **Product Dimensions:** 9.5"L x 5"W x 3.25"H - **UPC:** 017042011055 ## Images ![Diamond Machining Technology (DMT) Diafold Serrated Diamond Knife Sharpener, Fine (FSKF), 4" - Image 1](https://m.media-amazon.com/images/I/51wC-GZnuYL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ very simple and easy to use *by P***A on January 5, 2026* I seriously wish i could give this product more then 5 stars .. i have always despised serrated edge knives because I could never sharpen them . well i have started making more bread etc needing the serrated knife sharp .. i have an heirloom knife for bread so i had to sharpen this to use .. well this tool is so simple to use i have been pleasantly surprised how well it sharpened my knife . this tool is easy to grip as well the tool does not feel gritty the sharpening part nor did i noticed anything on the knife after i sharpened it like you may see when use a stone to sharpen knives . I have to say this works quit well is an excellent tool as well as a great value . ### ⭐⭐⭐⭐⭐ Great for serrated edges, pen knives, pocket knives, exacto knives and carving / cutting tools with contoured edges! *by T***S on October 10, 2015* I have this Diafold "Serrated" Knife sharpener in the Fine and Coarse diamond grits, and has thus far been very impressed with the quality of these sharpeners. I originally bought this with just the task of sharpening serrated knife edges in mind, but this sharpener has turned out to be more than just that. First, for the serrated edges - I have two Sypderco knives (Police, Delica) that have a combo serrated edge, and between this and the coarse grit, it works very well on re-honing the edge on the serrated VG-10 edges. Due to the VG-10 being a little more difficult to sharpen, your method has to be steady and you have to stick with it on the fine grit to get a nice edge. For the serrated knives in the kitchen - most of my kitchen knives are much softer and easier to sharpen than the Spyderco serrated edge - so after sharpening the Spyderco's the kitchen knives were a breeze. I used the coarse to get the edge started, then moved to this fine grit to finish it off. Where this sharpener came in handy and as a surprise is when I discovered how well this works on my small pen knives, pocket knives and mostly woodshop tools. It is perfect for pen knives and small pocket knives for touching up an edge - the size of the rounded rod is perfect for control and for small edges. Also, in my woodshop I use exactor knives and other carving / cutting tools that have curved edges For instance, Lee Valley makes a small carving tool with replaceable blades of different shapes / contours - like curved, sloped, straight blades - and these Diafold rod sharpeners turned out to be PERFECT for this application. I have also employed this tool in some of my plane restoration projects when there are tight spots that need a little filing or honing. The uses for this tool seem to increase daily. For instance,I wanted to touch up the edges on my electric hedge trimmer - again, tight spots without a lot of clearance and small edges to sharpen on the hedge trimmer - and this tool again shone in that application. Nice tool, highly recommended if you have any applications like serrated, tight spots, small edges, etc. I own many DMT tools, and the quality does not need to be justified - that is one thing you can rest assured of, that the quality is there. Thanks for reading. ### ⭐⭐⭐⭐ Good serrated knife sharpening tool *by S***N on December 31, 2025* Good for sharpening my serrated knives ## Frequently Bought Together - Diamond Machining Technology (DMT) Diafold Serrated Diamond Knife Sharpener, Fine (FSKF), 4" - DMT FSKC Diafold Serrated Knife Sharpener - Diamond Machining Technology (DMT) Diafold Serrated Diamond Knife Sharpener, Extra Fine (FSKE) --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pl/products/2257938-diamond-machining-technology-dmt-diafold-serrated-diamond-knife-sharpener-fine](https://www.desertcart.pl/products/2257938-diamond-machining-technology-dmt-diafold-serrated-diamond-knife-sharpener-fine) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-04-23*