Item Type: Router Bit Material: Carbon steel main body + alloy cutter head Shank Diameter: 1/2in Cutter Head Diameter: Approx. 41mm / 1.6in Package List 2 x Router Bits 2 x Gaskets 2 x Storage Box 1For Woodworking Projects: These router bits are often used in DIY woodworking projects, such as bathroom doors, office cabinets, outdoor frames, etc. 2Standard Size: The router bit has a standard 1/2in diameter shank, which can be installed accurately and not easy to fall off. 3Anti Backlash Design: Anti backlash design, suitable for automatic desktop portable machines such as CNC. 4Durable Materials: The main body of the milling cutter is made of carbon steel material, with alloy cutter head, wear resistant and durable. 5Applicable Boards: Suitable for various materials and surfaces, such as wood, medium density fiberboard, plywood, softwood, hardwood, etc.