DescriptionGrinding stone bits can make the polished item clean, pretty and bright, excellent for various of mould, glass, metal, etc., widely used. The grinding stone bits are made of pyrostone and metal material, wear resistant and reliable, suitable for long time application.Features-Color:White -Material:Pyrostone, metal -Size:1.20X1.20X5.00cm/0.47X0.47X1.97in-Thepolishing bits arelight weight and won't take too much space for storage, easy for you to store when not in use.-These abrasive stonespolishing bitsare compatible with most rotary tools or die grinders, wide range of use. - These grinding stones have good wear resistance, can be cleaned and restored after long-term use. - With high strength, good durability and high working efficiency, the grinding stone can quickly and easily polish.- Abrasive mounted stone grinding wheel heads suit for polishing and grinding of metallic or non-metallic products.