... life 3.Velcro-backed for quick attach & release. Diamond Flexible Polishing Pad is our main product, we have rich researchment and achievement ... use our high quality and consistent quality diamond tools. Flexible Polishing PadsDiameterGritType3"(80mm)50#,100#,200#,400#,#800,1500#,3000#, buff ... 50#,100#,200#,400#,#800,1500#,3000#, buff#wet / dry6"(150mm)50#,100#,200#,400#,#800,1500#,3000#, buff#wet / dry ...