Magnate 1289 Matching Corner Round/Cove Router Bit - 3/8" Radius; 1/4" Shank Diameter 2 Flute Carbide Tipped; 3/8" Radius; 1/4" Shank Diameter; 25/32" Cutting Length 1-3/8" Overall Diameter; 1-1/2" Shank Length