80-3000 grit Diamond Sharpening Stone Whetstone Knife Chisel Sharpener 6.7''x3''
Grit : 80/120/150/180/240/320/400/600/800/1000/1200/1500/2000/2500/3000 grit. Chamfering of glass tiles, grinding of industrial superhard cutting tools, and polishing with oil stone and knife stone. Material: Electroplated diamond sand.