This Top & Bottom Bearing Ultra-Perfomance Compression Flush Trim Router Bit is constructed from solid carbide and has a 1 cutting height and a 1/2 diameter with an overall length of 3-1/4 and a 1/4 shank. Highlights: - Flush trim endgrain of any direction for a perfect finish - High performance C3 micro-grain solid carbide sleeve, polished to a mirror finish - For use on table mount and handheld router - Bit is contructed from a solid carbide sleeve welded to a hardened steel core - Complex up-down or compression geometry produces a finish that is unmatched by standard flush trim bits. Item Includes: 1 Router Bit The Yonico Ultra-Performance trim bits feature a solid carbide sleeve welded to a hardened steel core. This results in a bit that performs like a solid carbide bit which is considerably less expensive. Upgrain routing is where this bit shines and with it's complex up-down or compression geometry this bit produces a finish that is unmatched by standard flush trim bits.