15 and 30 chamfer and bevel cuts Router Bit. Two flute carbide cutters and 1/4" Shank. Cutting smooth no burr, no edges High abrasion resistance, high-precision grinding technology, chip removal more smoothly Using high-frequency welding technology, strong, durable, and long service life Chamfer bits are mostly used for edging, these bits can also be used to create miter joints of various angles. Cutting these angles into 2 adjoining pieces of wood will create miter joints Purposes: For wooden door frames, wooden window frames, cabinets frames Tenon together Specification: Material: Carbide Alloy 15 Degree: Shank Diameter: 1/4inch(6.3mm) Total length: 2-5/8" (67.7mm) Cutter Length: 1inch 30 Degree: Shank Diameter: 1/4inch(6.3mm) Total length: 2-5/8" (67.7mm) Cutter Length: 1inch Package Includes: 1 Piece 15 Degree Chamfer Edge Forming Router Bit 1 Piece 30 Degree Chamfer Edge Forming Router Bit