8mm shank; 15Ḟ , 22.5Ḟ, 30Ḟ chamfer and bevel cuts Router Bits for edging and create miter joints of various angles. Material: industrial grade micro grain carbide.Highly sharpen, sharp blade cutting smooth no burr, no edges. This bit will cut both sides of the handrail and round the top for a smooth finish, Cutting smooth no burr, no edges Using high-frequency welding technology, strong, durable, and long service life Purposes: For wooden door frames, wooden window frames, cabinet frames Tenon together