Feature: All of them are oil based, easy for use and avoid contamination. Best use with the wool polishers for polishing. Suitable 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 for 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 for 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 .