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.

Scissors Module for sharpening scissors and shears on Hapstone modular sharpeners.

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. 

Universal Angled Clamps for Hapstone R2 and Hapstone Rotating Module 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...

Fine-Tuning Adapter is a simple tool for maintaining the chosen sharpening angle while working on Hapstone knife sharpener.Specification Material: Aluminum Compatibility: Hapstone Modular Sharpeners, Hapstone M2, Hapstone V6, Hapstone V5, Edge Pro Apex

Chisel Module is an optional attachment for sharpening chisels and planer blades on Hapstone modular sharpeners. The module is mounted on the pedestal of the Hapstone Platform and is fixed with two screws. Sharpening angle 11 to 45 degrees. Maximum width 71 mm.Note....

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...

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...

Rotating Clamp Module for Hapstone Modular Platform is a module delivering the ultimate combination of high precision, versatility, and ease of use to knife sharpening enthusiasts. The rotating clamp module has the crossbar for multiple clamps (up to 6). The rotary...

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).

The Thickness Compensator is a simple tool for maintaining the chosen sharpening angle while working with sharpening stones of different thicknesses on Hapstone or Edge Pro sharpener. Keeping a collection of single thickness sharpening stones is not recommended as a...

Straight Side Clamps for Hapstone R2 and Hapstone Rotating Module utilizes flexible flat spring and spacer screw to secure knives of any shape including a full flat grind. Straight Clamps can be combined with Y-Shaped Central Clamp and/or Angled Universal...

The Convex Guide Rod is a tool for sharpening knives with the convex edge using Hapstone knife sharpener (R1, V7, V6, M2, and K1). The convex angle difference can be set to desired value. The universal stone holder of the...

Many guided knife sharpeners include L-shaped Allen keys, the least expensive tool to handle hex screws. Hex screwdrivers are much easier to use than Allen keys. If you use your sharpener regularly, hex screwdrivers will make your life comfortable. Ball-End...

Vertical Blade Support lets you handle blades that don't stand still on the flat surface. The adjustable support plate provides additional contact points.Attention! Only magnetic tables with three thumbscrews are supported.

Scissors Attachment for sharpening scissors and shears. Compatible with Hapstone M2, V7, and V6. 

Wholemilled Fillet Clamps for Hapstone R2 utilize CNC milled superelastic duralumin alloy jaws with internal undercut for full flat grind blades. Wholemilled Fillet Clamps can be combined with other Hapstone clamps of standard length.The kit includes 2 clamps.

The Linear Ball-Bearing Pivot Unit is an optional upgrade for the first revision of Hapstone M2 utilizing PTFE insert. The linear ball-bearing provides extra smooth shaft movement and requires no lubrication or cleaning.One of the best selling points of flagship...

Convex Adapter is a tool for sharpening knives with the convex edge using Hapstone modular knife sharpener (R2, V8, M3). The convex angle difference can be set to the desired value. Use the convex adapter instead of stock coupling to connect...

Small Table Module for Hapstone modular sharpeners is based on the three-point guide similar to Hapstone M2 knife sharpener. It's useful for sharpening short and medium-sized knives that are difficult to clamp.Small Table Module is part of Hapstone M3 knife...

The Thickness Compensator is a simple tool for maintaining the chosen sharpening angle while working with sharpening stones of different thicknesses on Hapstone RS knife sharpener. Keeping a collection of single thickness sharpening stones is not recommended as a long-term...