[Cutter Size] Shank Diameter 8mm, 3 sizes Blade Diameter: 35mm, 38mm, 50mm. [Premium Material] Made of hard alloy steel , high hardness and the heat-treated blade is sharp and smooth. With coated surface, it is rust-free and has a long service life. [Widely used] The 45 degree miter cutter can be used for wooden doors/windows/drawer floors that work in mitered or parallel joints. This carbide cutter is suitable for compact wood, MDF, chipboard and plywood panels. [Applicable machines] Carving tool compatible with a shaft diameter of 8mm, which is suitable for a table router bit or tabletop engraving machine for woodworking, such as: B. Portable CNC hand-held and table-mount router bits. [Router bit design] Corner processing of hook and high shear in cutters, smooth cutting in bearings, distinction, division. Size:3PCS 45 Degree Lock Miter Router Bit Miter router bit 45 degree lock Specifications: Blade material: tungsten carbide alloy Case material: 45# carbon steel Shank diameter: 8 mm Cutting diameter: 35 mm; 38mm; 50mm/1-3/8', 1-1/2', 2' Total length: 51.5mm/53mm/62.5mm< /p> Other detail: Please note the photo Features: These high quality steel miter cutters are durable and sturdy. The knives by heat treatment, heat-resistant Teflon coating, the blade is sharp and smooth. 45 degree designed miter for locking creates lockable miter joints in in no time, which could make two wooden blocks or wooden boards firmly connected to each other at 90/180 degrees. &gt; Package Contents: 3pcs 45 degree miter cutter Note: 1. The cutters are intended for industrial cutting/engraving only. When not in use, please put them in the package. 2. These cutters are suitable for compact wood, chipboard, MDF and plywood panels; Please avoid cutting ferrous metals and non-wood materials such as ferrous steel, sand, etc. 3. Please wear good protective measures in case the wood shavings damage your eyes. 4. Please choose 1/2 inch or 12mm shank version if you are working with high hardness materials. Welcome to meet