Net weight: 11 oz (311 g)

experts estimate BBW as 3000 - 4000 JIS

Breeze stones are universal and can be used to sharpen knives of any steel

F 400 to F 2000 utilize OCB binder

This extends the clamping options for knives with long blades or with thin and flexible blades

chisel attachment for hapstone new-variants Net weight: 11 oz (311Chisel 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.