Task Tools T24271 Corner Round and Beading Router Bit with 1/4-Inch Shank, 1-1/4-Inch by 21/32-Inch Carbide Height, 3/8-Inch Radius Corner round and beading router bit with 1/4-inch heat-treated, hardened steel shank; double flute for quick cuts Dynamically balanced up to 24,000 RPM to reduce vibration and kickback Non-stick powder coat finish reduces friction and resin build-up to protect from corrosion Premium quality Super Fine Grain Tungsten Carbide for an exceptionally smooth finish Size: 1-1/4-inch diameter by 21/32-inch carbide height; 3/8-inch radius