Amana Tool 55340 Carbide Tipped Reversible Ogee Window Sash & Rail 1/8 Radius x 1-9/64 Dia x 43/64 x 1/2 Inch Shank with Center Ball Bearing jigsaws and a selection of washers

and a selection of washers

This tool is ideal for cabinet makers

You can use the cutters individually on the arbor

rather than a full 180° radius flute

the other half is the corner-round

Amana Tool 55340 Carbide Tipped Reversible Ogee Window Sash & Rail 1/8 Radius x 1-9/64 Dia x 43/64 x 1/2 Inch Shank with Center Ball Bearing jigsaws and a selection of washersThis reversible assembly is designed to cut window sash and glass door parts, including rails, stiles, mullions, and muntins, on stock between 1 1 8" and 1 3 4" thick. Assembly includes an ogee profile cutter, a rabbet cutter, one bearing, a 1 2" shank arbor, spacers, shims, and washers. Configure as shown in the drawing to cut profile and rabbet on all parts. Switch bearing and profile cutter and replace rabbet cutter with spacers to rout the copes.