7pcs 20 gram Diamond Lapping Paste Polishing Compound For Fine to Final Polishing Grits 0.25 to 5.0 microns 7 pieces Set of 20 gram Diamond Lapping Paste Polishing Compound For Fine 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 and 5.0 micron Oil based, Environment friendly