ITEM NAME:1/2inch Diamond Router Bit Wheel Half Bullnose For Hand Profiler Marble Gra C2R9 1/2inch Diamond Router Bit Wheel Half Bullnose For Hand Profiler Marble Gra C2R9 Model: 474055 Abrasive bare height of brazing wheel from 70 % up to 80%,so there will be big chip space,It is not prone to clogging , the use of abrasive more fully. Easy to use. Applications: Suitable for use in grind the edge of glass, metal, woods, stone, marble, rock, gemstone, jewelry, shells, tile etc. Tips: Please use with water(Water is recommended for longer life of the bit.) Color: Silver Material: Diamond Size: Overall Length: 60mm Handle Length: 35mm Maximum Diameter: 38mm Shank Diameter: 12.7mm Package Contents: 1 x Carving knife Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.