Gritomatic synthetic stones made of silicon carbide and aluminum oxide can be labeled in either FEPA-F or JIS grit scale

7 mm or thicker

An additional locking screw allows the lift to be rigidly locked during deburring operations

Never dry Fuji stones near heat

4 mm hex screwdriver/key is required

hetinax strop 4 x 1 bestseller Gritomatic synthetic stones made ofHetinax (or Getinaks) is a polymeric composite material from cellulose dust and phenolic resin. Hetinax Strop is mounted on 4" aluminum blank to use on small guided knife sharpeners. Hetinax keeps its flatness better than leather and prevents the blade becoming convex when used on abrasive compounds. Working with hetinax is similar to working with leather. You will not be able to fully remove the compound after applying it to the strop. If you want to