Singer 500 503 Rocketeer Sewing Machine Hand Wheel and Stop Motion Knob Assembly

Singer sewing machine hand wheel assembly, compatible with the model 500 / 500A and 503 / 503A Rocketeer. Nice vintage condition, clean and rust free. Paint will be in good condition with minor signs of use. Original, genuine Simanco parts, consists of #172531 hand wheel assembly with gear, #172520 stop motion clutch knob, #141105 set screw and #172317 washer.