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 suitable for steel and iron..GC are suitable for aluminum,copper,cast iron and ... 35mmThe vitrified mounted point,the use of advanced formulation,manufacturing well- made with good wear resistance,grinding power.Installed in the mill ...