Amana Tool 54524 Type: Cove D: 1-1/8" D1: 9/32" B: 1-5/8" R1: 1-9/16" d: 1/2" L: 3-1/8" A series of Patented VERTICAL Raised Panels Bits designed for router tables only. Use routers with 1-1/2 horsepower minimum and make several passes for best finish, tool life and safety. Will not cut arched or curved shapes.