13 pieces Set of 20 gram Diamond Lapping Paste Polishing Compound Grits 0.25 to 40 microns 13 pieces Set of 20 gram Diamond Lapping Paste Polishing Compound For Sock Removal to Final Polishing For Jewelry, Gemstones, Tiles, Steel, Zinc, Aluminum Grit Sizes: 0.25 micron, 0.5, 1.0, 1.5, 2.5, 3.5, 5.0, 7.0, 10, 14, 20, 28 and 40 micron Oil based, Environment friendly