Model: 474055 Applications: Suitable for use in grind the edge of glass, metal, woods, stone, marble, rock, gemstone, jewelry, shells, tile etc. Easy to use. Abrasive bare height of brazing wheel from 70 % up to 80%,so there be big chip space,It is not prone to clogging , the use of abrasive more fully. Tips: Please use with water(Water is recommended for longer life of the bit.), Weight: 0.20062065842 Pounds, Manufacturer: Jaywool