General description Designed for precision work on marble and glass, this 2X Marble 31mm Dia Bullnose Diamond Profile Wheel Router Bit features a gold tone finish and is ideal for achieving smooth edges and profiles. It is suitable for use with wood router bits and can be utilized in both wet and dry applications. Technical specifications Material: Diamond Temple Cutting Radius: 8 mm / 5/16 inch Shank Diameter: 12.7 mm / 1/2 inch Bearing Diameter: 13 mm / 1/2 inch Cutting Depth: 12.7 mm / 1/2 inch Overall Diameter: 31 mm / 1 1/4 inch Overall Length: 58 mm / 2.3 inch Weight: 172 g Usage Recommended for use on marble and glass. Can be used in wet or dry conditions. Using aluminum or other coolant is advised for extended bit life. Other information Package Contents: 2 x Temple Profile Router Bit Note: Light reflection and different displays may cause the color of the item to differ slightly from the actual product. The measurement allowed error is +/- 1-3 cm.