The perfect alternative to using stones. High quality abrasive combined with a precision-ground backing plate eliminates the uneven wear usually associated with stones. Ensures perfectly true surfaces every time.Kit Includes:Flat ground steel stock, 1/16", 6" longTwo pieces of 240 grit sandpaper, each about 6" longTwo pieces of 320 grit sandpaper, each about 6" longTwo pieces of 400 grit sandpaper, each about 6" long