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 ... in a wide variety of metals and non-metalic grinding carving processing ,or used within the park ,park kok ,groove ,globoidal,cone ... ,such as special surface grinding cutting ,repaire.but also a varity ...