General description Diamond Profile Wheel Router Bit designed for precision cutting on marble and glass. This set includes three bits, each featuring a gold tone finish and a bullnose design for smooth edges. 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: 86g per piece Grit: 40/50 Compatibility and accessories Compatible with wood router bits for stone routing. Recommended coolant: Aluminum or other coolants for extended bit life. Installation Use with a compatible router for best results. Usage Can be used wet or dry for cutting marble and glass. Other information Package Contents: 3 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 +/