Feature: All of them are oil based, easy for use and avoid contamination. Best use with the wool polishers for polishing. A setable for use on jewellery & gemstone, steel & hard metal, aluminium & zinc, all metallurgical purpose. The Detail Micron as following : 0.5 Micron - Final Polish 1.0 Micron - Mirror finish 1.5 Micron - Mirror finish 2.5 Micron - Mirror finish 3.5 Micron - Fine Polish 5.0 Micron - Fine Polish 7.0 Micron - Pre Polish, fine lapping 10 Micron - Lapping metals 14 Micron - Stock Removal or lapping metals 20 Micron - Stock Removal or lapping metals 28 Micron - Medium fast lapping 40 Micron - Fast lapping or stock removal carbide Notice: For all polishing and lapidary purposes, designed to resolve all and any task Use it on jewelry & gemstone, steel & hard metal, aluminium & zinc, all metallurgical purposes. Oil based and easy to use. Material:Environment friendly, made with resin, wax and diamond sands. Color: As Picture Show Size:142 cm/5.5"0.79" Weight: Every Piece 5 Gram, Quantity: 12 Pcs. Note: Size for manual measurement, there may be a 0 to 2 cm error, belongs to the normal phenomenon. And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 12 Pcs X Lapping Paste Compound .