Item Type: 1/2in Shank Router Bit Material: Carbon steel main body + alloy cutter head Shank Diameter: 1/2in Package List 1 x Router Bit 1 x Storage Box 1. Avoid cutting ferrous metals and non wood material, such as steel, iron, sand, etc.2. Cannot be used for electric drills and drilling machines. 1Standard Size: The 45 router bit has a standard 1/2in handle, which is mainly used to connect wood edges. 2Safe Operation: Anti backlash design for best safety, smooth rotation and incisive blade make cutting precise and easy. 3Multiple Usages: Suitable for wood, MDF, particle board, plywood, etc., used to make wooden drawers, cabinets or other woodworking projects. 4Durable Materials: With excellent alloy blade and carbon steel body, it is hard and wear resistant and can be used for a long time. 5For Milling Machines: Specially designed for milling machines or desktop woodworking engraving machines, such as CNC milling machines.