Grinding wheel /grinding stone Abrasive:A ,WA,PA,,GC Grit NO.:46#,60#,80#,100#,120#,180#,220# wheel diameter:3.2--50mm .A is ... iron and stone..WA and PA are suitable for stainless steel and alloy steel.Wheel diameter:3.2-50mmHandle diameter:2.35mm ... ,such as electric power tools or pneumatic tools ,used in a wide variety of metals and non-metalic grinding carving processing ,or used ...