Features: brand new and high quality Made of high quality carbide alloy material, practical and durable. With advanced technology, our outer bits can improve cutting quality, speed and extends service life. The inclined angle facilitates the removal of wood chips. Greatly improve the accuracy, save for time and convenient for operation. Perfect for the production of cabinet doors, closet door, window, wood drawer, window, cupboard and other woodworking projects. These 22.5 degree lock miter router bit with 8mm shank, is suitable for most ranges handheld router and table router. Specifications: Material: Carbide Alloy Shank Diameter: approx 0.8cm/0.31 inches Package Includes: 2x/Set Router Bits note: 1.Please allow 1-3cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.