All of them are oil based, easy for use and avoid . Best use with the wool polishers for polishing. For gemstone polishing, glass polishing, stone polishing, polishing, ceramics polishing, polishing, flattening, sharpening, lapping, stropping, metal polishing, scratch removing, stock removal, sharpening. Features - Color: Assorted Color. - Material: Diamond powder. - Size: 14.00 x 1.50 x 1.00cm/ 5.50 x 0.59 x 0.39 inch. - Grit: .5 10000 grit. of them are oil based, easy for use and avoid . Best use with the wool polishers for polishing. - Suitable for use on jewellery and gemstone, steel and hard metal, aluminium and zinc, all metallurgical purpose. - For gemstone polishing, glass polishing, stone polishing, ceramics polishing, polishing, flattening, sharpening, lapping, stropping, metal polishing, scratch removing, stock removal, knive sharpening. - It is an grinding paste for grinding and polishing. It has good lubrication and cooling properties. - Among them, the diamond particle has high hardness, uniform particle size and good grinding effect, suitable for glass, ceramics, hard alloy, diamond, glasses, gemstone and other high hardness materials made of measuring tools, cutting tools, optical instruments and other high finish workpiece processing. Package list: 10 x polishing pastes