1Used For Carpentry: Used for hand made drawers, wooden doors, window, cabinets, flooring, or other carpentry, suitable for wood side to side or end to end connection 2Excellent Abrasion Resistance: Router bit provides excellent abrasion resistance and of sharpness edges for the best finish 3More Fixability And Convenience: Lock miter router bit come with more fixability, convenience and ease of setup 445 Degree Tenon And Splicing: Made of good quality alloy and carbon steel materials, used for wood 45 degree tenon and splicing of wood 5Long Service Life: 45 degree woodworking router bit possess stable structure, excellent performance and long service life Item Type: Lock Miter Router Bit Product Size: Tool Handle Diameter: Approx. 6mm / 0.2in, Cutter Head Diameter: Approx. 38.1mm / 1.5in Material: YG6 primary alloy + 45 carbon steel Balance: +/- 0.003in tolerance Uses: Used for 45 degree tenon and splicing of wood 1 x Lock Miter Router Bit 1 x Storage Box