Feature:1. Bit Specifications: Double bearing spiral router bit, featuring standard 1 or 2 inch tool shank, 3 or 4 inch cutting diameter, and 29 or 16 inch cutting length, providing accurate and reliable trimming.2. Carbide Material: The flush trim router bit is made of excellent carbide material, with high strength, impact resistance, and can withstand long term use while maintaining long lasting performance.3. For Woodworking Use: This flush trim router bit is perfect for various woodworking applications, suitable for hobbyists or professional carpenters, to help improve the quality of woodworking project.4. Multi Incisive Blades: This flush trim router bit features multi blades design, the incisive blades can help effectively improve work efficiency and provide a clean and glossy incision appearance.5. Stable Installation: With fine workmanship, this double bearing spiral router bit has standard sizes and can be easily installed and applied on electric tools, providing a stable and reliable structure.Specification:Item Type: Flush Trim Router BitMaterial: CarbideBit Shank: 1 or 2 InchCutting Diameter: 3 or 4 InchCutting Length: 29 or 16 Inch.Package List:1 x Trim Router Bit1 x Storage Box