1" Top Bearing Trim Bit, 3/4" Overall Diameter, 3/4" Bearing Diameter, 1" Carbide Height, 1/2" Shank, 2-13/16" Overall Length, Ideal For Template Work & Lettering, Cuts All Composition Materials, Plywood, Hardwoods, Softwoods, Use On Hand Held & Table Mounted Portable Routers.