Feature 1[PTFE Surface Coating] Heat resistant PTFE coating prevents accumulation of sawdust, resin and spacing. 2[High Accuracy] Solid hardened steel body, anti retraction design, high accuracy, special impact resistance, sturdy and durable. 3[Standard Size] Equipped with standard 1/2in round shank and 5/8in cutting diameter for easy installation and cutting. 4[Applicable Boards] Suitable for medium density fiberboard, solid wood, medium density fiberboard, plywood, etc. 5[Woodworking Tool] The router bit is an ideal tool for grooving wooden doors, wooden frames and cabinets. Item Type: 1/2in Round Shank Router BitMaterial: No. 45 Steel + Tungsten CarbideOverall Length: Approx. 130mm / 5.1inCutting Length: Approx. 76.2mm / 3inCutting Diameter: Approx. 16mm // 0.6inShank Diameter: Approx. 12.7mm / 0.5inUse: Used for wood grooving or other woodworkingSurface Coating: PTFE CoatingShank Type: 1/2in round shank Package List 1 x 1/2in Round Shank Router BitNote1. Please avoid cutting metal and non wood materials, such as steel, iron and sand.2. The cutter body of the milling cutter is No. 45 steel, please keep it away from water to avoid rust.3. Please allow 12mm / 0.040.08in error due to manual measurement.