ITEM NAME:1/4 Inch Shank 45 Degree Lock Miter Router Bit 3/4 Inch Stock Joint Router Bits Description: Size: shown on the photo. 45 Degree Lock Miter Designed: The wood is at 90Â °and this router bit cuts this shape out of the wood, the interlocking 45-degree 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 car.Size: shown on the photo. People always bought together with.