
SKU: GCK-PLANESHIFT-PPA-PRIME
AVAILABILITY: In stock (46 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: HAPSTONE-PLANESHIFT-CLAMPFRAME
AVAILABILITY: In stock (100 items)
PRODUCT TYPE: Sharpener Accessories
VENDOR: Hapstone
Hapstone PlaneShift Series includes components of Hapstone RS (such as stone holders or clamp system) 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...
SKU: LB-MOUNT-K03PRO
AVAILABILITY: In stock (10 items)
PRODUCT TYPE: Sharpener Accessories
VENDOR: Leading Edge by Gritomatic
Light Mount for K03 PRO is part of the Sharpener Light Series—a family of adapters for attaching an LED light and support arms to sharpening systems. Revision 2 features a stronger design and includes a Cold Shoe adapter. It is...
SKU: TIAN-FINELEATHER-25-GRAY
AVAILABILITY: In stock (12 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...
SKU: TIAN-ROO-25-BLUE
AVAILABILITY: In stock (2 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-3MM-25-GRAY
AVAILABILITY: In stock (2987 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-5MM-25-GRAY
AVAILABILITY: In stock (497 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: SET-SCL-ALFASCL-BOXED
AVAILABILITY: In stock (3 items)
PRODUCT TYPE: Sharpening Stone Set
VENDOR: Venev Industrial Diamonds
Venev Gemini Series Boxed Set "Alfa Sculptor" includes six 6" narrow diamond stones: F80, F150, F240, F400, F800, and F1200. The set comes in an exclusive storage box.Venev Sculptor Series Diamonds are designed for expert knife sharpening in systems such...
SKU: SET-GEM-POLLUX-BOXED
AVAILABILITY: Out of Stock
PRODUCT TYPE: Sharpening Stone Set
VENDOR: Venev Industrial Diamonds
Venev Gemini Series Boxed Set "Pollux" includes six 6" curved diamond stones: F80, F150, F240, F400, F800, and F1200. The set comes in an exclusive storage box. Venev Gemini Series Curved Diamonds are designed for sharpening inwardly curved blades in...
SKU: SET-CRB-BETAHERCULES-BOXED
AVAILABILITY: In stock (14 items)
PRODUCT TYPE: Sharpening Stone Set
VENDOR: Venev Industrial Diamonds
Venev Cerberus Series Boxed Set "Beta Hercules" includes three Premium Tier, 4" dual-sided resin-bonded diamond stones: F100/F240, F400/F800, and F1200/F1500. The set comes in an exclusive storage box. Venev Cerberus Series Dual Side Diamonds are used for sharpening knives on small...
SKU: SET-CRB-BETAHERCULES
AVAILABILITY: In stock (7 items)
PRODUCT TYPE: Sharpening Stone Set
VENDOR: Venev Industrial Diamonds
Venev Cerberus Series Set "Beta Hercules" includes three Premium Tier, 4" dual-sided resin-bonded diamond stones: F100/F240, F400/F800, and F1200/F1500. Venev Cerberus Series Dual Side Diamonds are used for sharpening knives on small guided knife sharpeners such as KME and Work Sharp...
SKU: HAPSTONE-RS-ULTRA
AVAILABILITY: In stock (27 items)
PRODUCT TYPE: Guided Knife Sharpeners
VENDOR: Hapstone
Hapstone RS ULTRA includes the latest upgrades for RS platform, such as Universal Clamps, Precise Angle Adjuster and Advanced Stone Holder. Hapstone RS ULTRA is packed in soft case. 🏗️Hapstone RS Platform ⚙️Hapstone RS Rotating Clamp Module ↕️Precise Angle Adjuster...
SKU: TIAN-ROO-25-BLUE
AVAILABILITY: In stock (2 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 (497 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 (2987 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 (12 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...
SKU: TSPROF-K03-PRO-HUNTER-BAREBONE
AVAILABILITY: Out of Stock
PRODUCT TYPE: Guided Knife Sharpeners
VENDOR: TSProf
K03 PRO Hunter features heavy stand and shipped in wooden crate. Stone bundles are available. If you want to buy a kit shown in TSPROF videos, choose Optimal Diamond [5] kit.
SKU: TSPROF-K03-PRO-BLACK-2405
AVAILABILITY: Out of Stock
PRODUCT TYPE: Guided Knife Sharpeners
VENDOR: TSProf
[BLACK] Edition Revision May 2024 New items are indicated in red. The product photos do not display all updates. 🆙Titanium/Steel PRO Guide Rod consists of two halves connected half by a rigid precise coupling, one half of titanium, and one...
SKU: HAPSTONE-RS-BLACK-PLUS
AVAILABILITY: Out of Stock
PRODUCT TYPE: Guided Knife Sharpeners
VENDOR: Hapstone
[BLACK] is a family of extended custom kits with the most useful and the most practical components. Hapstone RS [BLACK] features four angled clamps that can be turned inward (for small knives) or outward (for long knives). [BLACK] Plus kit...
SKU: HAP-CBNPLATE-80
AVAILABILITY: In stock (20 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: HAPSTONE-RS-BLACK-BAREBONE
AVAILABILITY: Out of Stock
PRODUCT TYPE: Guided Knife Sharpeners
VENDOR: Hapstone
[BLACK] is a family of extended custom kits with the most useful and the most practical components. Hapstone RS [BLACK] features four angled clamps that can be turned inward (for small knives) or outward (for long knives) 🔪4x Angled Clamps...
SKU: HAPSTONE-R2-BLACK-BAREBONE
AVAILABILITY: In stock (1 item)
PRODUCT TYPE: Guided Knife Sharpeners
VENDOR: Hapstone
Hapstone R2 Knife Sharpener is the new knife sharpener from Hapstone, supplier of successful Hapstone R1. Hapstone R2, on par with Hapstone V8 and Hapstone M3, is part of the Hapstone Modular Platform, an innovative technology that lets customers configure...
SKU: TIAN-ROO-25-BLUE
AVAILABILITY: In stock (2 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: ORI-B100-80
AVAILABILITY: In stock (22 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: HAP-CBNPLATE-80
AVAILABILITY: In stock (20 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: HAPSTONE-CASE-12
AVAILABILITY: In stock (4 items)
PRODUCT TYPE: Accessories and Tools
VENDOR: Hapstone
Protect your 6" sharpening stones effectively with this sturdy stone case crafted from robust EVA material. The case ensures dependable safeguarding for your stones, making storage and transportation a breeze. Superior EVA material guarantees the case's strength and durability, shielding...
SKU: STOPPER-6MM
AVAILABILITY: Out of Stock
PRODUCT TYPE: Sharpener Accessories
VENDOR: Hapstone
Spring-Assisted Stopper Ring to limit the movement of the horizontal shaft in the pivot unit. The stopper is suitable for 6-mm guide rods and compatible with all Hapstone knife sharpeners, TSProf Blitz and Kadet.
SKU: CEN-B100-80.150
AVAILABILITY: In stock (31 items)
PRODUCT TYPE: 6" Dual Side Sharpening Stone
VENDOR: Venev Industrial Diamonds
Attention! The Centaur series now includes F1200 + F1500 grit combination.Venev Centaur 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...
SKU: DIA-SUS-H-5-6
AVAILABILITY: In stock (24 items)
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...
SKU: HAPSTONE-RXSTHOLDER-PPA
AVAILABILITY: In stock (135 items)
PRODUCT TYPE: Sharpener Accessories
VENDOR: Hapstone
Hapstone PlaneShift Series includes components of Hapstone RS (such as stone holders or clamp system) adopted for other sharpening systems: PPA, WSPA, KME, Wicked Edge.Universal Stone Holder for Work Sharp Professional Precision Adjust is equipped with a digital angle gauge...
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.









![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.progressive.jpg?v=1767522959)
![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.progressive.jpg?v=1767522952)
![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.progressive.jpg?v=1767522944)
![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.progressive.jpg?v=1767522937)
![Venev Sculptor Series Narrow Diamond Boxed Set [6" x ½"]](http://www.gritomatic.com/cdn/shop/files/Venev_20Sculptor_20Set_600x.progressive.jpg?v=1764763556)
![Venev Gemini Series Gen.2 Curved Diamond Boxed Set [6" x ½"]](http://www.gritomatic.com/cdn/shop/files/Venev_20Gemini_20Set_600x.progressive.jpg?v=1764763565)
![Venev Cerberus Series Dual-Side Diamond Boxed Set [4" x 0.6"]](http://www.gritomatic.com/cdn/shop/files/Boxed_20Cerberus_20Beta_20Hercules_600x.progressive.jpg?v=1764763840)
![Venev Cerberus Dog Series Dual Side Diamond Set [4" x 0.6"]](http://www.gritomatic.com/cdn/shop/files/Stone_20set_20-_20Venev_20Cerberus_20Alpha_20Hercules_600x.progressive.jpg?v=1764764155)


![TSProf K03 PRO [BLACK] Knife Sharpener](http://www.gritomatic.com/cdn/shop/files/tsprof-k03-pro-black-knife-sharpener_600x.progressive.jpg?v=1764726811)
![Hapstone RS [BLACK] Plus Knife Sharpener](http://www.gritomatic.com/cdn/shop/files/Hapstone_20RS_20BLACK_20Plus_20_282024_29_600x.progressive.jpg?v=1764726707)
![Hapstone CBN Start [6" x 1"]](http://www.gritomatic.com/cdn/shop/files/hapstone-cbn-plate-for-edge-pro_600x.progressive.jpg?v=1762178201)
![Hapstone RS [BLACK] Knife Sharpener](http://www.gritomatic.com/cdn/shop/files/Hapstone_20RS_20BLACK_20_282024_29_202_600x.progressive.jpg?v=1764726722)
![Hapstone R2 [BLACK] Knife Sharpener](http://www.gritomatic.com/cdn/shop/files/hapstone-r2-black-knife-sharpener_600x.progressive.jpg?v=1763721323)
![Venev Orion Series Diamond [6" x 1"]](http://www.gritomatic.com/cdn/shop/files/venev-bonded-diamond-for-edge-pro_600x.progressive.jpg?v=1764726752)

![Hapstone Spring-Assisted Stopper [6 mm]](http://www.gritomatic.com/cdn/shop/files/Hapstone_20Spring-Assisted_20Stopper_20Ring_201_600x.progressive.jpg?v=1764726732)
![Venev Centaur Series Dual Side Diamond [6" x 1"]](http://www.gritomatic.com/cdn/shop/files/6-x-1-dual-side-bonded-diamond_600x.progressive.jpg?v=1764726757)
![Hapstone Poly Diamond Suspension [5 ml]](http://www.gritomatic.com/cdn/shop/files/Hapstone_20Diamond_20Suspension_205_20ml_201_600x.progressive.jpg?v=1764726680)








