6 Inch Emery Abrasive Lap Wheels Set of 3 Pieces 80 240 400 Grit Coated Grinding Discs for Lapidary Glass Jewelry RockSPECIFICATIONS Brand Name: Keszoox DIY Supplies: Metalworking High concerned chemical: None Origin: Mainland China Features: * and *emery coating area : almost 95%,only side is coated emery *Wet use recommended *Suitable to grinding gemstone, jewelry, glass, rock, carving , etc *These emery discs are of the finest discs manufactured for Hobby, Lapidary, Glass applications *The diameter flat lap wheels have a density emery coating. *They are absolutely