Amana Tool 55341 Reversible Ogee Window Sash/Rail 1-3/8 Diameter by 1/2-Inch Shank Router Bit Full color instructions included. Learn step-by-step with Master Craftsman Lonnie Bird. Carbide Tipped, Industrial Quality 1-3/8 Diameter, 21/32 Cutting Height, 1/2-Inch Shank, 1/8-Inch Radius Includes an ogee profile cutter, a rabbet cutter, one bearing, a 1/2-Inch shank arbor, spacers, shims and washers. For use only in a table mounted router.