12 Pcs 5 syringes diamond polishing or lapping paste set. All of are oil based, easy for use and avoid contamination. Suitable for use on jewellery & gemstone, steel & hard metal, aluminium & zinc, all metallurgical . 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 - Polish, fine lapping 10 Micrometer - Lapping metals 14 Micrometer - Removal or lapping metals 20 Micrometer - Removal or lapping metals 28 Micrometer - Medium fast lapping 40 Micrometer - Fast lapping or removal carbide Package include: 12 pcs 5gram Diamond Polishing Lapping Paste Note: Random color, 't accept the specified color. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.