Description: Used for drilling, installation of the drawer door spherical tip, tip, plastic products, wood, plywood, etc. Sharp edge, high hardness, accurate positioning, high precision, smooth cutting, impact resistance. Carpenters to allow drilling holes, without passing through the material when the bottom to a clean and precise hole Sharp and durable, arc curve design, beneficial for machining, drilling is more efficient. Suitable for hand electric drill, drilling machine with support of motor and belt type mobile drill magnetism. Specification: Material: Carbide Alloy Shank Diameter: 6mm Cutting Diameter: 9.52mm/(3/8") Cutting Length: 11mm/ 0.43inch Total Length: 46mm/ 1.81inch Package Includes: 1 Piece T Slot Router Cutter(4 Pack) Note: Please allow 1-3mm error due to manual measurement, pls make sure you do not mind before you bid Due to the difference between different monitors, the picture may not reflect the actual color of the item, pls understand, thank you