chisel attachment for hapstone bestseller but you must use a

but you must use a thickness compensator because stock Edge Pro stones are 3 mm thick

All Gokumyo stones are 5-6 mm thick

Opti is a fusion of Hapstone universal angled clamps (asymmetrical orientation) and Hapstone whole milled clamps (material and clamp shape)

Alternatively

Thanks to the precise and stable fixation of the knife in the clips of the device

chisel attachment for hapstone bestseller but you must use aChisel 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. When using on Hapstone RS, chisels should be clamped off center.