... MRK renovation discNO.PictureDescriptionDiameter(inch)Thickness(mm)Grit size available1MRK-A renovation disc3"1250#,150#,300#,500#,800#,1000#,1500#, ... Flexible polilshing pads,also integrated grains with resinoid.2)Supply a better performance in grinding stone with polishing effect to ... get high gloss in a short time,as compared with conventional polishing wheel.3) ...