TechDiamondTools Diamond Paste Set of 15 Syringes X 5 Grams (H), Polishing Lapidary Compound, Sizes From 200,000 to 400 Grit, Mesh - With High (50%) Concentration of Diamond Powders Universal Diamond Compound Set of 15 Different Grits of Compounds With 50% Concentration of Diamond Powders Grits in the set: 400, 500, 600, 800, 1200, 1500, 2000, 3000, 4000, 5000, 8000, 14000, 50000, 100000, 200000 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. Its oil based and easy to use. The Best Professional Starter Set!