This bottom cleaning Router bit has a cutting diameter of 1" and a cutting depth of 5/8". Also features center meeting blades and a 1/2" shank For routing perfectly clean cavities and resurfacing projects Premium C3 micro-grain tungsten carbide blades for a sharper & longer lasting edge For use on CNC, table mount and handheld routers Silver induction brazing for maximum strength and durability, Manufacturer: Yonico