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 Polish1.0 Micron - Mirror finish 1.5 Micron - Mirror finish2.5 Micron - Mirror finish 3.5 Micron - Fine Polish5.0 Micron - Fine Polish7.0 Micron - Pre Polish, fine lapping10 Micron - Lapping metals14 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 carbideNotice: For all polishing and lapidary purposes, designed to resolve all and any taskUse 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 ShowSize: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 .