Feature●TOOLDO keyhole cutter set with C2 carbide inserts, high quality alloy inserts with high finish and long service life●The Keyhole Router Bit Set features a solid hardened steel body and anti-recoil design. The blade is sharper and can be trimmed and polished for a very clean cut●Designed for handheld and desktop routers, not for power drills and rigs●5-piece router bit set provides more variety of T-slots or keyhole slots●The router bit set is suitable for solid wood, particleboard, MDF, plywood and more.Description