Description: Shank: 12.7mm / 12mm Diameter for you choice, Shape: round over. Industrial grade. Widely Used: Woodworking router bit used for woodworking, composition materials, plywoods, hardwoods, and softwoods edging, trimming, grooving, veining wood. Material: These router bit is made of steel, precisely machined, high quality and long service life of using. Heavy Duty and Maximum Durability: Solid hardened steel body, easy to use, reliable, can reduce labor intensity. Application: The corner rounding edge forming bits can be used in different kinds of routers, solid wood, particle board, plywood, wooden door frames, wooden window frames, cabinets and boxes, etc. Specification: Material: Steel Size Chart: Straight Size: 1.27cmx6.19cm/0.50inchx2.44inch V Shaped Size: 1.2cmx5cm/0.47inchx1.97inch Package Includes: 1Router Bit Note: Please allow slightly errors due to manual measurement and different monitors.