About this article 1. Material: Teflon coating, high carbon and alloy steel, high quality welding, stable and efficient quality and long service life. 2. Appearance: The sturdy steel body has an anti-kickback design and is precision ground to form a smooth cutting surface. 3. Features: With superior ball bearing construction 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, particle board, plywood, etc. 5. Package Include: 3pcs Router Bits (Cutting Height: 30mm/40mm/50mm, Cutting Diameter: 14mm/16mm/16mm). Specification: Body Material: General Hardened Knife Steel Blade Material: C3 Microcrystalline Tungsten Carbide Surface Treatment: Teflon Coating Cutting diameter: 14mm / 16mm / 16mm Shank diameter: approx. 8mm Cutting height: 30mm / 40mm / 50mm Total length: 77mm / 87mm / 97mm Package includes: 3 router bits