![Yaginoshima Asagi Whetstone [6" x 1"]](http://www.gritomatic.com/cdn/shop/files/Yaginoshima_20Asagi_20for_20Edge_20Pro_600x@3x.progressive.jpg?v=1782608190)
SKU: YAGINOSHIMAASAGIX
AVAILABILITY: In stock (8 items)
PRODUCT TYPE: 6" Mounted Sharpening Stone
VENDOR: Gritomatic
Yaginoshima Asagi whetstones are used for finishing knives on sharpening systems such as Hapstone, TSPROF, and other systems compatible with the Edge Pro form factor. Yaginoshima Asagi stones are highly effective for knives as a final finishing step. Produces a...
![Ohiro Karasu Whetstone [6" x 1"]](http://www.gritomatic.com/cdn/shop/files/Ohira_20Karasu_20for_20Edge_20Pro_201_600x@3x.progressive.jpg?v=1782609213)
SKU: OHIRAKARASUX
AVAILABILITY: In stock (3 items)
PRODUCT TYPE: 6" Mounted Sharpening Stone
VENDOR: Gritomatic
Ohira Karasu whetstones are used for finishing knives on sharpening systems such as Hapstone, TSPROF, and other systems compatible with the Edge Pro form factor. Intended for final finishing of high-quality knives. Well suited for hammered blades and high-carbon Japanese...
SKU: PLASTONECASE-AMERICA250-FLAG-CHAMP
AVAILABILITY: In stock (4 items)
PRODUCT TYPE: Accessories and Tools
VENDOR: Gritomatic
Storage Case America-250 Limited Edition commemorates the 250th anniversary of the signing of the Declaration of Independence with a micro-run dedicated to American craftsmanship. Two Commemorative Designs Flag features a stylized American flag flowing across the lid. Craftsman features a...
SKU: BORIDE-DRESS-2A-220
AVAILABILITY: In stock (11 items)
PRODUCT TYPE:
VENDOR: Boride
Boride Aluminum Oxide Dressing Stone is a maintenance stone for cleaning, refreshing, flattening, and resurfacing sharpening stones in 6" x 1" Edge Pro form factor. It uses White Aluminum Oxide abrasive with Boride vitrified bonds F9 and G9. It provides...
SKU: BORIDE-DRESS-2C-HARD-150
AVAILABILITY: In stock (3 items)
PRODUCT TYPE:
VENDOR: Boride
Boride Silicon Carbide Hard Dressing Stone is a maintenance stone for cleaning, refreshing, flattening, and resurfacing sharpening stones in 6" x 1" Edge Pro form factor. It uses Black Silicon Carbide abrasive with Boride K10 vitrified bond. It provides aggressive...
![Boride CS-WX Series 6-Stone Boxed Set [6" x 1"]](http://www.gritomatic.com/cdn/shop/files/Boride_20CS-WX_206-Stone_20Boxed_20Set_20_282_29_600x@3x.progressive.jpg?v=1777883231)
SKU: SET-BORIDE-6-CSWX-BOXED
AVAILABILITY: In stock (6 items)
PRODUCT TYPE: Sharpening Stone Set
VENDOR: Boride
Boride CS-WX Series 6-Stone Boxed Set includes six 6" silicon carbide sharpening stones: F120, F220, F320, F600, F800, and F1200 grit. Compared to the 5-stone set, the 6-stone progression offers smaller grit jumps and smoother scratch pattern transitions throughout the...
![Boride CS-WX Stone [6" x 1"]](http://www.gritomatic.com/cdn/shop/files/Boride_20CS-WX_600x@3x.progressive.jpg?v=1777873696)
SKU: 036141WX
AVAILABILITY: In stock (12 items)
PRODUCT TYPE: 6" Mounted Sharpening Stone
VENDOR: Boride
Boride CS-WX Series stones are premium sharpening stones made of silicon carbide in a hard vitrified binder. Designed for slow breakdown and long service life, CS-WX combines aggressive cutting speed with a more controlled sharpening feel than conventional coarse silicon...
SKU: GCK-PLANESHIFT-PPA-PRIME
AVAILABILITY: In stock (5 items)
PRODUCT TYPE: Sharpener Accessories
VENDOR: Gritomatic
Hapstone PlaneShift Series includes components of Hapstone RS adopted for other sharpening systems.Single-clamp knife sharpeners have consistently been less adaptable than multi-clamp systems when sharpening various blades, for instance, fillet knives. The Planeshift Clamps Upgrade is a dual-clamp solution for...
![Fine Cowhide Leather Strop on Anodized Blank [6" x 1"]](http://www.gritomatic.com/cdn/shop/files/fine-cowhide-leather-strop-on-anodized-blank-6-x-1_600x@3x.progressive.jpg?v=1767522959)
SKU: TIAN-FINELEATHER-25-GRAY
AVAILABILITY: In stock (7 items)
PRODUCT TYPE: 6" Mounted Strop
VENDOR: Gritomatic
Fine Leather Strop is an efficient way of final polishing a cutting edge using guided knife sharpeners. A leather strop enhances the cutting edge by correcting small nicks and smoothing grooves.The stropping medium is very thin fine cowhide leather mounted...
![Kangaroo Leather Strop on Anodized Blank [6" x 1"]](http://www.gritomatic.com/cdn/shop/files/multi-color-kangaroo-leather-strop-for-edge-pro_600x@3x.progressive.jpg?v=1767522952)
SKU: TIAN-ROO-25-BLACK
AVAILABILITY: In stock (4 items)
PRODUCT TYPE: 6" Mounted Strop
VENDOR: Gritomatic
Kangaroo Leather Strop is an efficient way of final polishing a cutting edge using guided knife sharpeners. A leather strop enhances the cutting edge by correcting small nicks and smoothing grooves.The stropping medium is leather pad made of vegetable tanned...
![Anodized Aluminum Blank [160 x 25 x 3mm] [6" x 1"]](http://www.gritomatic.com/cdn/shop/files/anodized-aluminum-blank-160-x-25-x-3mm_600x@3x.progressive.jpg?v=1767522944)
SKU: TIAN-3MM-25-GRAY
AVAILABILITY: In stock (2980 items)
PRODUCT TYPE: 6" Empty Blank
VENDOR: Gritomatic
Anodized Aluminum Blanks 160 x 25 x 3mm are used to mount 6" sharpening stones for guided knife sharpeners. Blanks are made of high-quality 3mm-thick aluminum with 45-degree bevels (Edge Pro form-factor) and color anodizing. Blanks are available in ten...
![Anodized Aluminum Blank [160 x 25 x 5mm] [6" x 1"]](http://www.gritomatic.com/cdn/shop/files/anodized-aluminum-blank-160-x-25-x-5mm_600x@3x.progressive.jpg?v=1767522937)
SKU: TIAN-5MM-25-GRAY
AVAILABILITY: In stock (990 items)
PRODUCT TYPE: 6" Empty Blank
VENDOR: Gritomatic
Anodized Aluminum Blanks 160 x 25 x 5mm are used for lapping films and stropping pads on guided knife sharpeners that work with 6" sharpening stones. Blanks are made of high-quality 5mm-thick aluminum with 45-degree bevels (Edge Pro form-factor) and...
![StroppyStuff Mono Diamond Suspension [30 ml]](http://www.gritomatic.com/cdn/shop/files/stroppystuff-mono-diamond-suspension-30-ml_600x@3x.progressive.jpg?v=1766167181)
SKU: STROPPYSTUFF-9
AVAILABILITY: In stock (4 items)
PRODUCT TYPE: Accessories and Tools
VENDOR: Stroppy Stuff
SKU: STROPPYSTUFF-5ML-9
AVAILABILITY: In stock (4 items)
PRODUCT TYPE: Accessories and Tools
VENDOR: Stroppy Stuff
![StroppyStuff Suspension + Kangaroo Leather Strop on Engraved Anodized Blank [6" x 1"]](http://www.gritomatic.com/cdn/shop/files/StroppyStuff_20_2B_20Engraved_206-inch_20Blank_20_280.5_20Red_29_600x@3x.progressive.jpg?v=1766167139)
SKU: SET-ROO-25-STROPPY-9
AVAILABILITY: In stock (4 items)
PRODUCT TYPE: Accessories and Tools
VENDOR: Stroppy Stuff
![Venev Ursa Series Dual Side Diamond Stone Set [6" x 0.6"]](http://www.gritomatic.com/cdn/shop/files/venev-ursa-series-dual-side-diamond-set_600x@3x.progressive.jpg?v=1764726766)
SKU: SET-UMI-KOCHAB
AVAILABILITY: In stock (24 items)
PRODUCT TYPE: Sharpening Stone Set
VENDOR: Venev Industrial Diamonds
Venev Ursa Series Dual Side Diamonds are used for sharpening knives on Hapstone and TSProf guided knife sharpeners, as well as freehand sharpening. Diamond sharpening stones offer excellent performance in sharpening knives of any steel.Ursa Series is 16 mm wide...
SKU: TSPROF-KADET-NERO-BAREBONE
AVAILABILITY: In stock (1 item)
PRODUCT TYPE: Guided Knife Sharpeners
VENDOR: TSProf
TSProf Kadet Nero is the new restyling of high-precision sharpener by TSProf. Kadet Nero is anodized in black color according to the international Qualanod standard. Anodizing is used to improve corrosion resistance and strengthen the structure of the aluminum surface....
![Hapstone CBN Start [6" x 1"]](http://www.gritomatic.com/cdn/shop/files/hapstone-cbn-plate-for-edge-pro_600x@3x.progressive.jpg?v=1762178201)
SKU: HAP-CBNPLATE-80
AVAILABILITY: In stock (9 items)
PRODUCT TYPE: 6" Mounted Sharpening Stone
VENDOR: Hapstone
Hapstone CBN Start plates are made in Edge Pro form-factor and is used for sharpening knives on Hapstone, TSProf, and all Edge Pro compatible guided sharpening systems. CBN (Cubic Boron Nitride) is the second-hardest material after diamond.CBN Plate consists of...
SKU: TIAN-ROO-25-BLACK
AVAILABILITY: In stock (4 items)
PRODUCT TYPE: 6" Mounted Strop
VENDOR: Gritomatic
Kangaroo Leather Strop is an efficient way of final polishing a cutting edge using guided knife sharpeners. A leather strop enhances the cutting edge by correcting small nicks and smoothing grooves.The stropping medium is leather pad made of vegetable tanned...
SKU: TIAN-5MM-25-GRAY
AVAILABILITY: In stock (990 items)
PRODUCT TYPE: 6" Empty Blank
VENDOR: Gritomatic
Anodized Aluminum Blanks 160 x 25 x 5mm are used for lapping films and stropping pads on guided knife sharpeners that work with 6" sharpening stones. Blanks are made of high-quality 5mm-thick aluminum with 45-degree bevels (Edge Pro form-factor) and...
SKU: TIAN-3MM-25-GRAY
AVAILABILITY: In stock (2980 items)
PRODUCT TYPE: 6" Empty Blank
VENDOR: Gritomatic
Anodized Aluminum Blanks 160 x 25 x 3mm are used to mount 6" sharpening stones for guided knife sharpeners. Blanks are made of high-quality 3mm-thick aluminum with 45-degree bevels (Edge Pro form-factor) and color anodizing. Blanks are available in ten...
SKU: TIAN-FINELEATHER-25-GRAY
AVAILABILITY: In stock (7 items)
PRODUCT TYPE: 6" Mounted Strop
VENDOR: Gritomatic
Fine Leather Strop is an efficient way of final polishing a cutting edge using guided knife sharpeners. A leather strop enhances the cutting edge by correcting small nicks and smoothing grooves.The stropping medium is very thin fine cowhide leather mounted...
![Venev Orion Series Diamond [6" x 1"]](http://www.gritomatic.com/cdn/shop/files/venev-bonded-diamond-for-edge-pro_600x@3x.progressive.jpg?v=1764726752)
SKU: ORI-B100-80
AVAILABILITY: In stock (27 items)
PRODUCT TYPE: 6" Mounted Sharpening Stone
VENDOR: Venev Industrial Diamonds
Venev Orion Series Bonded Diamonds are used for sharpening knives on Hapstone, TSProf, and all Edge Pro compatible guided knife sharpeners. Diamond sharpening stones offer excellent performance in sharpening knives of any steel.Orion series consists of a 3 mm-thick diamond-bearing plate...
SKU: STROPPYSTUFF-9
AVAILABILITY: In stock (4 items)
PRODUCT TYPE: Accessories and Tools
VENDOR: Stroppy Stuff
SKU: GCK-PLANESHIFT-PPA-PRIME
AVAILABILITY: In stock (5 items)
PRODUCT TYPE: Sharpener Accessories
VENDOR: Gritomatic
Hapstone PlaneShift Series includes components of Hapstone RS adopted for other sharpening systems.Single-clamp knife sharpeners have consistently been less adaptable than multi-clamp systems when sharpening various blades, for instance, fillet knives. The Planeshift Clamps Upgrade is a dual-clamp solution for...
SKU: TIAN-ROO-25-BLACK
AVAILABILITY: In stock (4 items)
PRODUCT TYPE: 6" Mounted Strop
VENDOR: Gritomatic
Kangaroo Leather Strop is an efficient way of final polishing a cutting edge using guided knife sharpeners. A leather strop enhances the cutting edge by correcting small nicks and smoothing grooves.The stropping medium is leather pad made of vegetable tanned...
SKU: SET-ROO-25-STROPPY-9
AVAILABILITY: In stock (4 items)
PRODUCT TYPE: Accessories and Tools
VENDOR: Stroppy Stuff
SKU: SICPOWDER-HAP100G-F120
AVAILABILITY: In stock (33 items)
PRODUCT TYPE: Accessories and Tools
VENDOR: Hapstone
Silicon Carbide Powder is a perfect tool for flattening and lapping synthetic and natural stones. Choose one of 5 available grit: F 80, F 120, F 280, F 500 and F 1000. One bottle contains up to 100 gram of...
![Hapstone Poly Diamond Suspension [5 ml]](http://www.gritomatic.com/cdn/shop/files/Hapstone_20Diamond_20Suspension_205_20ml_201_600x@3x.progressive.jpg?v=1764726680)
SKU: DIA-SUS-H-5-12
AVAILABILITY: In stock (1 item)
PRODUCT TYPE: Accessories and Tools
VENDOR: Hapstone
Hapstone Diamond Suspension is specifically designed for polishing knives. Its premium diamond powder composition ensures a scratch-free finish, leaving the knife edge with a mirror-like polish. The suspension’s higher density compared to alternatives prevents it from spreading excessively on the...
![Cowhide Leather Strop [6" x 1"]](http://www.gritomatic.com/cdn/shop/files/Fine_20Cowhide_20Leather_20Strop_206-inch_20_28thin_20blank_29_600x@3x.progressive.jpg?v=1762871472)
SKU: LEATHER-25
AVAILABILITY: In stock (62 items)
PRODUCT TYPE: 6" Mounted Strop
VENDOR: Gritomatic
Fine Leather Strop is an efficient way of final polishing a cutting edge using guided knife sharpeners. A leather strop enhances the cutting edge by correcting small nicks and smoothing grooves.The stropping medium is thin fine cowhide leather mounted on...
Sharpening Systems
Accurately identifying the abrasive grit size of sharpening stones is critical for quality control, performance prediction, and material matching. While tactile assessment is often used informally, it lacks precision and reproducibility. This article compares multiple evaluation methods—ranging from subjective techniques to advanced analytical tools—highlighting their strengths, weaknesses, and best-use scenarios. It provides practical guidance on how to choose and apply each method depending on context, available resources, and required precision: Profilometry, Optical Microscopy & Microphotography of Abrasive Surface, Advanced Destructive Methods, Reference Comparison.
Home World of Guided Knife Sharpeners
⚕️Always carry a first aid kit.
A first aid kit is the most massively vital piece of equipment for an interstellar sharpener. Owning one offers both practical as well as psychological value.
🕰️Improbable does not mean impossible.
Any blade can be sharpened with any sharpening stone. Proper tools just save you time. Probably, years.
🚑Life can, at times, be a downer.
If you think your sharpener's life sucks, think about a guy chopping his finger somewhere at this moment.
👥Two heads aren’t necessarily better than one.
The President of the Galaxy has two heads, but neither of them prevent him from engaging in really stupid activities. Mastery comes from experience.
🚨Don’t panic!
Sharpening is not rocket science. PhD in Mechanical Engineering, Materials Science, and Geochemistry is probably enough to start.
