Specifications:The head of the router bit is made of high quality alloy material, which is anti-rust and durable.This product features solid hardened steel bodies with anti-kickback design to ensure the safe installation.It is ideal for creating bowl and trays, round nose plunging and pattern & template routing.The 1/4"shank type is suitable for employed in European and American countries such as United States, Britain, French and so on.The 6mm shank type is appropriate for using in countries like Russia, Germany, Spain, Pakistan, etc..Item Name: Router BitQuantity: 1PcHead Material: YG8 AlloyBody Material: 45 Carbon Steel, Plastic-sprayed SurfaceFeatures: Durable, High Hardness, Wood Cutting ToolTop Diameter: 12.7mm/0.5" (Approx.)Shank Diameter(Optional): 6.3mm/0.25", 6mm/0.23" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Router Bit