Venev Diamonds may have the flatness tolerance up to 0

Ruby Ceramic Sharpening Stones are used for sharpening knives on KME and Hapstone knife sharpeners

They all look the same

Bonded diamonds provide better feedback and give the sharpening stone a much longer lifespan

rotating clamp module for hapstone Venev Diamonds may have theRotating 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 unit has adjustable flipping strength. Rotating Clamp Module is part of Hapstone R2 knife sharpener. Compatible Clamps Universal Angled Asymmetric Angled Clamps can be turned inward (for