Amana Tool 45918 Core Box 3/4-Inch Diameter x 7/16-Inch Cutting Height x 3/8 Radius x 1/4-Inch Shank 2-Flute Carbide Tipped Router Bit 3/8-Inch Radius Cutting Diameter 3/4-Inch 7/16-Inch Cutting Height 1/4-Inch Shank, 2-Flute. Carbide Tipped, Industrial Quality For use in a table-mounted router only