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 a tool free multi base

a tool free multi base system

and a selection of washers

but feed rate is slightly reduced

this bit cuts with a shearing action

or use it to nose thin stock

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 a tool free multi baseThis 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.