1. Material: Made of Teflon coating, high carbon steel and alloy, welding, stable and efficient quality and long service life. 2. Appearance: The sturdy steel body has an anti-kickback design and is precisely polished to form a smooth cutting surface. 3. Features: With the build-up of superior ball bearing and heat-resistant Teflon coating, wood edges can be cut precisely and cleanly. 4. Application: The Top Bearing Cutter Head Kit can cut all component materials and can be used to complete solid wood, MDF, particleboard, plywood, etc. 5. Package includes: 3pcs router bit(cutting height: 30mm/40mm/50mm, cutting diameter: 14mm/16mm/16mm). Specification: Body material: global hardened knife steel Sheet material: C3 microcrystalline tungsten carbide Surface treatment: Teflon coating Diameter cutting height: 14mm / 16mm / 16mm Shank diameter: about 8mm Cutting height: 30mm / 40mm / 50mm Total length: 77mm / 87mm / 97mm Package includes: 3 router bit Note: -Avoid cutting ferrous metals and non-wood materials such as steel, iron and sand. -Keep the router own. After use, remove resin, wood chips and other wood contaminants and clean the bit with standard industrial solvents. With a plastic box, please put it in the box when not in use.