Description: Size: shown on the photo. 45 Degree Lock Miter Designed: The wood is at 90°and this router bit cuts this shape out of the wood, the interlocking cuts will produce extremely strong joints Made of high quality hard alloy steel by heat treatment, heat resistant coating. The Lock Miter with 1/4'' carbon steel shank router table or desktop woodworking engraving machine, please select the correct casing size and use low speed! Great for woods, MDF, particle board, plywood compact panel, great for frames or connecting joints. Specification: Material: alloy steel Blade: Industrial grade micro grain carbide Design: Anti-kickback Size: shown on the photo. Package Includes: 1 Piece Router Bits Note: Please allow 1-3mm error due to manual measurement, make sure you do not mind before you bid. The colors may be different for the different display, please understand.