... #,150#,300#,500#,800#,1000#,1500#,2000#,3000# MRK-A diamond grinding disc NO.PictureDescriptionDiameter(inch)Thickness(mm)Grit size available1MRK-A ... integrated grains with resinoid.2)Supply a better performance in grinding stone with polishing effect to get high gloss in a ... ,as compared with conventional polishing wheel.3)Suitable for the grinding process of the curved or polygon surface.