Specification: 1.Item No:ST0201-D1 2.Metal Bond Flexible Polishing Pad 3.size:3",4",5" 4.grit: ... burrs, diamond files, diamond stone sharpeners, diamond electroplated cutting discs, diamond grinding discs, diamond resin grinding wheels, etc. 2. Workshop 2: tungsten ... of DIY tools to Japan, Germany, the USA and Australia Metal Bond Flexible Polishing Pad 3",4",5" 50/100/200/400#