Carving Bit Rotary Tool Accessory Type Carving Bit Bit Material Tungsten Carbide Shape Ball Max Speed 35 000 RPM Shank Diameter 1/8 in Mount Type Mounted Overall Length 1 1/2 in Burr Diameter 5/16 in Head Length 1/8 in Head Width 5/16 in Material Application Ceramic Tile Epoxy Fiberglass Laminate Particleboard Plastic Rubber Wood