Dongguan stone buff pad use on grinding and polishing machine MRK-A : #50,150,300,500,800,1000,1500,2000, ... 3000 Dongguan stone buff pad use on grinding and polishing machine ...Product data: DescriptionDiameter(inch)Thickness(mm)Grit size availableMRK-A ... suitable for wet grinding and polishing, for concrete, wet and dry grinding and polishing both are available.Relative products:Relative ...