This bit is essentially a plunge-cutting straight with a shank mounted ball-bearing pilot. It is a versatile bit, useful for template/pattern routing of parts, joints, and internal cuts. It can be used in handheld and table-mounted routers., #47228, diameter (D) 1/2, cutting height (B) 1-1/4, Shank (D) 1/2, overall length (L) 3-1/2, replacement bearing 47701, flutes 2, 47228 carbide Tipped flush trim plunge template 1/2 dia x 1-1/4 x 1/2 inch shank w/ Upper ball bearing router bit