Router Bits, Allmake 3Pcs Lock Miter Router Bits 1/4 Shank, 45 Degree Locking 2mm EXTRA-THICK YG6 TUNGSTEN CARBIDE BLADE: The 1/4 Shank Router Bit Set features an optimal 45 shear angle and extra-thick tungsten carbide tips for perfect joints and glass-smooth surfaces on kitchen cabinets, drawers, shadow boxes, and more. #45 CARBON STEEL CONSTRUCTION: Made from #45 Carbon Steel with a proprietary heat-treatment process, the Allmake 45 degree lock miter router bit provides exceptional hardness and longer life to withstand frequent use without easily breaking. 1/4 INCH SHANK: This 1/4" shank lock miter router bits is compatible with major wood router tools for Bosch, Dewalt, Milwaukee, Makita, and other 1/4" shank woodworking routers. Note: Lock miter bits only work properly on solid wood. INTERLOCKING 45 CUTS: The interlocking fingers of our lock miter router bit set provides a strong mechanical locking action that makes for a strong and durable joint without the need to struggle to hold the board in place during the clamping process. WIDE APPLICATION: Work with stock from 1/2" to 3/4" thick. Use Allmake lock miter router bits to cut super-strong 45 miter joints on kitchen cabinetry, drawers, shadow boxes, stretcher bars, frames and any assortment of right angle or parallel joint projects.