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๐ช Sharpen Like a Pro, Stay Ahead of the Pack
The Spyderco Ultra Fine Benchstone is a premium 3" x 8" ceramic sharpening stone designed for professionals and serious hobbyists. Made in the USA from alumina ceramic (synthetic sapphire), it offers an ultra-fine abrasive surface that sharpens large blades and woodworking tools to a precise, hair-popping edge without the need for lubricants. Its included suede sleeve provides a stable, non-slip base and secure storage, while easy cleaning ensures long-lasting performance. Perfect for those who demand the ultimate edge refinement before stropping.






































| ASIN | B000Z0RW1A |
| Best Sellers Rank | #751,072 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,393 in Sharpening Stones |
| Brand | Spyderco |
| Brand Name | Spyderco |
| Color | Multicoloured |
| Customer Reviews | 4.5 out of 5 stars 104 Reviews |
| Global Trade Identification Number | 00716104640447 |
| Grit Type | Fine Grit,Ultra |
| Included Components | STONE AND SLEEVE |
| Item Dimensions L x W x H | 8"L x 3"W x 0.31"H |
| Item Highlight | Ceramic Stone, Professional Grade, Suede Carrying Case |
| Item Type Name | Benchstone Ultra Fine 3" X 8" |
| Item Weight | 1.2 pounds |
| Manufacturer | Spyderco |
| Manufacturer Part Number | 306UF |
| Manufacturer Warranty Description | SEE MANUFACTURER |
| Material | Ceramic |
| Material Type | Ceramic |
| Model Number | 306UF |
| Number of Items | 1 |
| Number of Packs | 1 |
| Product Dimensions | 8"L x 3"W x 0.31"H |
| UPC | 716104640447 000000120609 |
D**.
Expensive, but probably the best stone for the final edge.
Probably the best stone to get a wickedly sharp edge, best suited for final finishing step by hand. Big and broad flat surface to get a razor's edge. NOT for initial sharpening. It's too fine for that. You can get an edge with a mirror finish on this.
L**S
Finest of the fine
This set is a key part of my sharpening kit made up of four items: - DMT D8C 8-Inch Dia-Sharp - Spyderco Tri-Angle Sharpmaker - Spyderco Ultra Fine Benchstone - KnivesPlus Strop Block Since I have started using this, all my knives have turned into razor-sharp instruments of cutting and slashing! This bench stone is smooth. It puts the finishing touches on your blade to give it a keen edge and a nice polish. Only the weight of the knife is needed when you slide across it. Super!
H**A
Great Stone; needs flattening; there may be better options
This is a useful ultra fine stone, probably comparable to or finer than a Black Arkansas, but capable of cutting pretty much anything (and faster). The downsides are that it is quite a bit slower than a similar grit water stone (which may not be an issue if you frequently touch up your edges) and by all accounts few of them are flat, which is not really an issue for knives, but might be for woodworking tools, such as plane irons. I flattened mine using a piece of glass and SiC grit and then an old diamond hone. By all accounts, these stones pretty much don't wear. Some say they slow down with use and that refreshing the surface from time to time can restore some cutting ability; this hasn't been an issue for me in a couple of years of occasional use. I like the Norton Ascent ultrafine better; it's a little thicker and it comes dead flat from the factory. But the Norton is also twice as expensive, and doesn't come in a case. All of these ceramic hones are sintered ceramic and will load. I like to use them dry or with a little soapy water (say a drop of Palmolive or Dawn in a glass of water) and clean up with a green scrubby and some Barkeeper's Friend. (The curious thing is that St. Gobain, the parent company of Norton Abrasives, sold Norton's ceramics division to CoorsTek, which is widely believed to be the manufacturer of the Spyderco stones. I suspect they may also manufacture the Idahone rods and stones, which are substantially less expensive than either, but I haven't tried them). The leather sleeve is useless and frankly stupid - I don't know why they couldn't sell this in plastic case similar to the ones the 2" wide stones come in or just a plastic sleeve- the leather sheds all over the stone and means you have to clean the stone before and after you use it (I cut the leather up and used it as padding on clamps on bench holdfasts). I actually find the Spyderco medium (the gray/brown stone) to be more useful, but it does not come in a wide format...which you really don't need unless you are using a honing guide. If you don't mind dealing with waterstones, the Sigma Power Select 6000 (the pink speckled brick) and 13,000 are probably a better option. The 6000 is fabulous and all you need for woodworking tools.
M**R
Heavy use stone
I sharpen knives every day. Itโs not my profession, I do it as a hobby for myself, family and friends. This has become one of my most used finishing stones. Depending on what type of knife Iโm sharpening Iโll use it before moving to 3K+ stones. Iโve sharpened anything from $1 store knife to maxamet. Spyderco, Chris Reeve, ZT, microtech, Custom knife factory, Shun kitchen knives to name a few. It works great with any shape or steel. I prefer to spray a light coating of diamond emulsion and work it into the stone. I never have to flatten this stone and it doesnโt get loaded like diamond resin stones.
R**G
Worth Every Penny for the Last Step in Honing an Edge
I bought the Spyderco Ultra-Fine stone because I was not happy at all with the DMT Extra Extra Fine Continuous Diamond Stone. WOW! The Spyderco Ultra-Fine bench stone is absolutely superb in putting the that(or next to last) honing touch on a plane blade or chisel. Once you use the Spyderco, the edge on whatever bad boy you used it on will be so sharp, you can split atoms -- so sharp, in fact, that a mere picture of the blade will draw blood. If you are looking to get into sharpening without the hassle of waterstones, this is the one to get. This stone is worth every penny.
B**R
Large enough for plane irons
The stone works well for sharpening my woodworking tools. It cuts very quickly. My other hones are 2 X 6 inch diamond hones, and they are a bit small when I sharpen my largest plane iron, which is a hair over 2 inches wide. This stone is large enough to sharpen my largest plane iron with no problems. Some people on the badger and blade forum (where they use it to sharpen straight razors) have complained that the hone is not flat enough and that you can see the milling marks on the hone. I can, indeed, see the milling marks on the hone, but for my woodworking tools it seems to be flat enough to work well. If you are thinking of using it for straight razors, you might want to do a little research on that controversy. The stone fits very tightly in the leather pouch, which makes it difficult to store and remove. I am sure that the leather will stretch out with use and ultimately it will be fine.
W**A
Use medium stone first, then this finishing stone
VERY NICE FINISHING STONE. polishing stone.
D**S
worth the money!
Ready right out of the box. Great stone for polishing and deburring, if you don't have a 3000 grit bonded stone or water stone
T**T
Alta qualitร e molto pratica
PRO -alta qualitร globale garantita da una delle migliori aziende -ottimo formato soprattutto per rasoi a mano libera. -bellissima custodia in pelle -si usura pochissimo -puรฒ essere usata a secco o con poche gocce d'acqua (senza immersione), a secco funziona giร benissimo. CONTRO -molto cara -un pรฒ sottile Ho giร da diversi anni la "sorella", la 302uf che mi ha dato grandi soddisfazioni su coltelli e rasoi ma per i rasoi a mano libera il taglio piรน largo, di questa 306uf รจ ottimo. Foto comparative tra le due. La pietra richiede pochissima manutenzione, quasi non si "conca" e per pulirla basta una vigorosa spugnettata abrasiva con un pulitore in polvere "VIM". La grana รจ realmente ultrafine, queste pietre sono spesso piรน fini di altre marchiate 8000. Raccomando di maneggiarle con estrema cura, come tutte le pietre sono molto fragili, in caso di caduta si spezzano.
M**C
Great stone mine came in perfect condition
Great stone mine was flat and not warped nor were there any problems with the surface. Great to practice sharpening on and i got my kitchen knives shaving sharp Update it was slightly not flat but not to worry about really
H**Z
Excelente super fina
Excelente muy dura acabados muy pulidos y afilados
R**C
hair popping, mirror polished edge
Used some Christmas money to buy this stone. Sticker shock kept me at bay for ever. So glad to have it now. Get your knife as sharp as you can then use this to take it to the next level. I'm talking hair popping, mirror polished edge. Worth saving up for.
M**.
Surprisingly super good tnx....
I received it beautiful... Tnx Spyderco
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