Description: Made of high quality hard alloy steel by heat treatment, heat resistant coating. The Lock Miter with 8mm carbon steel shank router table or desktop woodworking engraving machine, please select the correct casing size and use slowly! Great for woods, MDF, particle board, plywood compact panel, great for frames or connecting joints. Yellow Color Size(WxH): Approx. 34.9x87.3mm / 1.37x3.44inch, Shank Diameter: 8mm Green Color Size(WxH): Approx. 34.9x87.6mm / 1.37x3.45inch, Shank Diameter: 8mm Specification: Material: Alloy Color: Yellow/Green (Optional) Package Includes: 1 Piece Lock Miter Router Bit Note: 1.Please allow a slight difference between the size above and the actual item due to manual measurement. 2.Due to the difference between different monitors, there could be a little color difference acceptable, please kindly note.