The estimated grit for Washita #1 is 1000-3000 JIS

Tools From Japan

with the exception of CS-HD series stones

Idahone Ceramic stones should be used with one of these lubricants:

Tsushima Whetstones are used for fine sharpening on Hapstone or Edge Pro sharpeners

rotating clamp module for hapstone The estimated grit for WashitaRotating 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