Woodline WL-1057 1-1/8-Inch Radius Carbide Tipped Roundover, 1/2-Inch Ball Bearing, 2-Flute, 1/2-Inch Shank 1-1/8" Radius 1-1/2" Cutting Length Anti Kickback Design Carbide tipped router bit with anti-kickback design Roundover cuts can be used to ease edges as a simple profile or as a part of a complex one.