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...

Owners of Wicked Edge sharpeners were always limited by proprietary form-factor sharpening hones. 6" Stone Holder for Wicked Edge overcomes this limitation. Now you may use thousands of existing 6" sharpening stones and reduce the cost of ownership.LE Series stone...

6" Stone Holder for Professional Precision Adjust allows using any 6" sharpening stones including Venev Centaur and Venev Ursa Series dual-side diamonds, and any Edge Pro form-factor stones (with mounting).Note. It's very important to keep a sharpening angle consistent. The...

Work Sharp Precision Adjust is a fantastic sharpener. However, it's limited by stock sharpening stones mounted on the proprietary holder.Premium 4" Stone Holder for Work Sharp Precision Adjust overcomes the limitation. As of today, you may use any 4" sharpening stones...

Work Sharp Precision Adjust is a fantastic sharpener. However, it's limited by stock sharpening stones mounted on the proprietary holder. 6" Stone Holder for Work Sharp Precision Adjust overcomes the limitation. As of today, you may use any 6" sharpening stones...

Large plastic handle knob for TSProf K03. Fits all K03 guide rods. LE Series handles are made of PLA thermoplastic. Color variations are available.

Leading Edge Universal Upgrade enhances the capabilities of WorkSharp Professional Precision Adjust knife sharpeners with features of the Leading Edge sharpening platform. The Universal Upgrade includes: Leading Edge Core with a magnetic working table (one magnet block) and a three-point...

Extendable Table Module for Hapstone modular sharpeners is useful for sharpening long and short knives that are difficult to clamp. The central part features the three-point guide similar to Hapstone V7 knife sharpener. Side supports can be set in the desired...

Work Sharp Precision Adjust is a fantastic sharpener. However, it's limited by stock sharpening stones mounted on the proprietary holder.6" Stone Holder for Work Sharp Precision Adjust overcomes the limitation. As of today, you may use any 6" sharpening stones including...

V-Block Clamp Support eliminates flexing of V-Block Clamp and may significantly improve the sharpening quality.When flipping the blade, keep the support in place by hand.

Small Side Clamps for Hapstone R2 and Hapstone Rotating Module utilize CNC milled superelastic duralumin alloy jaws. Small clamps can be combined with other small clamps.The kit includes 2 clamps. Small Side Clamps are part of Hapstone R2 Lite kit. 

The product page is in development. Stay tuned.Attention! GearConnect adapters use 4 mm hex sockets, no tools included. All adapters are sold in singles, never in pairs.GEARCONNECT is the family of clamp adapters to build "cross-platform" sharpening systems. An adapter...

Hapstone Opti Clamps (Whole Milled Angled) - the latest development of Hapstone for R2 knife sharpener. Opti is a fusion of Hapstone universal angled clamps (asymmetrical orientation) and Hapstone whole milled clamps (material and clamp shape). Opti Clamps utilize CNC...

Hapstone RS Clamps are whole-milled angled clamps consisting of aircraft-grade aluminum, while high-quality stainless steel forms the guides, ensuring durability and operational stability. Maximum blade thickness: 0.25" (6mm).

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...

L-Adapters enhance capabilities of clamps for TSProf K03 and Kadet sharpening systems. L-Adapters shift the clamps either inwards or outwards, and increases their effective length by 20 mm. Shifted outwards, L-Adapters increase the maximum distance between clamps by 4 cm....

8mm Spring-Assisted Stopper Ring to limit the movement of the horizontal shaft in the pivot unit.  The stopper is suitable for 8mm guide rods and compatible with 8mm Edge Pro Apex and the 8mm KO3.

TSPROF Quick Clamps streamline the sharpening process with a cam-lever design that eliminates the need for tools. Their construction emphasizes speed, reliability, and safety for both professional and intensive sharpening tasks. The Quick Clamps secure blades from 1 to 7...

Universal Angled Clamps for Hapstone R2 can be turned inward (for small knives) or outward (for long knives). Clamps utilize flexible flat spring and spacer screws to secure knives of any shape including a full flat grind.The kit includes 2...

Small Universal Angled Clamps is a fusion of RS clamp form-factor and Hapstone universal clamps with flexible elements. Angled clamps can be turned inward (for small knives) or outward (for long knives). Universal clamps utilize flexible flat spring and spacer...

Blitz 360 Hinge unit. More freedom of movement with a hinge that rotates 360 degrees. Helps with sharpening long knives. Thanks to the retractable rod, the maximum sharpening angle with the Blitz 360 hinged joint is 35° per side.

Leading Edge Core Upgrade enhances the capabilities of TSProf K03, TSProf Kadet, and Toohr knife sharpeners with features of the Leading Edge sharpening platform. Core Upgrade offers a magnetic working table with a three-point knife guide and can be extended...

Advanced Stone Holder for Work Sharp Professional Precision Adjust equipped with a linear ball-bearing offers a new level of precision and comfort. The advanced stone holder lets you achieve flawless results even with challenging tasks.Universal Stone Holder allows using ANY...