Amana 49106 Cove Router Bit 7/8 Diameter, 1/2 Shank Amana 49112 Cove Router Bit 1-1/8 Diameter, 1/4 Shank Amana 49114 Cove Router Bit 1-1/8 Diameter, 1/2 Shank Amana 49116 Cove Router Bit 1-3/8 Diameter, 1/4 Shank Amana 49118 Cove Router Bit 1-3/8 Diameter, 1/2 Shank