Shapton Pro series stones are universal and can be used to sharpen knives of any steel including high carbon

Use the angle adjustment knob of the sharpener if necessary

and molybdenum disulfide are suspended in a proprietary-based liquid lubricant for fast

The linear ball-bearing provides extra smooth shaft movement and requires no lubrication or cleaning

opti clamps wholemilled angled fillet for hapstone r2 pair bestseller Shapton Pro series stones areHapstone 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 milled superelastic duralumin alloy jaws with internal undercut for full flat grind blades. Opti Clamps can be combined with other Hapstone clamps of standard length. Opti Clamps can be