Universal Stones Diamond polishing padsThese pads are designed for wet polishing granite, marble and any stones with more efficiency. They are universal for any stones. As well as porcelain tile's restoration and polishing. High gloss finish. More longer life. Lower costs.With velcro back. And velcro color can be changed  as requested.Very flexible.One set including 30,50,100,200,400,800,1500,3000,  black buff (for darker stones) and white buff (for light color stones).Available sizes: 3",4",5",7"Thickness: 2.5mmWet use.RPM: 4000Item No.SizeGrit No.Velcro ColorThicknessC2000013"/80mm30Purple2.5mmC20000250  Dark BlueC200003100  YellowC200004200  OrangeC200005400  RedC200006800  Dark GreenC2000071500  Light BlueC2000083000  BrownC200009Black Buff  BlackC200010White BuffWhite