Grinding wheel /grinding stone Abrasive:A ,WA,PA,,GC Grit NO.:46#,60#,80#,100#,120#,180#,220# wheel diameter:3.2--50mm .A ... formulation,manufacturing well- made with good wear resistance,grinding power.Installed in the mill,such as electric power tools or pneumatic tools ... a wide variety of metals and non-metalic grinding carving processing ,or used within the park ,park kok ,groove ,globoidal,cone, ...