This bit cuts a 5/16" bullnose or half-round. This bit includes a guide bearing for easy fence depth setup and a 1/4" shank. Add a bullnose or half-round to the edges of shelves, table tops or any furniture top surface Premium C3 micro-grain tungsten carbide blades for a sharper & longer lasting edge For use on table mount and handheld router Silver induction brazing for maximum strength and durability, Weight: 0.10802650838 Pounds, Manufacturer: Yonico