Grinding wheel /grinding stone Abrasive:A ,WA,PA,,GC Grit NO.:46#,60#,80#,100#,120#,180#,220# wheel diameter:3.2--50mm . ... pneumatic tools ,used in a wide variety of metals and non-metalic grinding carving processing ,or used within the park ,park ... ,clean-up cast,forge,weld and Burr,all kinds of molds,parts,chamfering,precious stones ,jade processing abrasive polishing. Grinding stone /grinding wheel