ITEM NAME:12Pcs Diamond Polishing Lapping Paste Compound Syringes 0.5-40 Micrometer 5 B3I4 12Pcs Diamond Polishing Lapping Paste Compound Syringes 0.5-40 Micrometer 5 B3I4 12 Pcs 5 gram syringes diamond polishing or lapping paste set. All of them are oil based, easy for use and avoid contamination. Suitable for use on jewellery & gemstone, steel & hard metal, aluminium & zinc, all metallurgical purpose. Color: Random color Material: Diamond Granularity: 0.5 Micrometer - Final Polish 1.0 Micrometer - Mirror finish 1.5 Micrometer - Mirror finish 2.5 Micrometer - Mirror finish 3.5 Micrometer - Fine Polish 5.0 Micrometer - Fine Polish 7.0 Micrometer - Pre Polish, fine lapping 10 Micrometer - Lapping metals 14 Micrometer - Stock Removal or lapping metals 20 Micrometer - Stock Removal or lapping metals 28 Micrometer - Medium fast lapping 40 Micrometer - Fast lapping or stock removal car