Features: * Used for grooving in made of wood. * Industrial quality cutters. * Solid hardened steel bodies with anti-kickback design. * Hook and shear angles: allow for high hook and shear angles * Cutters (C3 micro-grain tungsten carbide) for smooth cutting in stock, producing clean, no splinters;* Bearing: completely enclosed and lubricated. Specification: Product name: router bits Material: YG8 alloy cutter head, 45# carbon steel knife body, plastic surface spraying Color: yellow, silver Optional size: 64mm, 66.35mm, 1/4''5/32' ', 1/4'' 1/4'' Suitable for: grooving in made of wood Quantity: 1pc Package includes: 1 router bit Note: 1. Transition: 1cm=10mm=0.39 inch.2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.3. Please allow slight manual deviation for data measurement. Made of high quality material, durable and practical to use.