Singer 404 Sewing Machine Parts Stitch Length Lever Selector Knob

Vintage Singer 66 Stitch Length / Feed Regulator Parts (w/Back Tack)

Singer 403A Sewing Machine Parts Stitch Length Lever Selector Knob

Singer 401A Sewing Machine Parts Stitch Length Lever Selector Knob

Singer 403A Sewing Machine Part Stitch Length Lever Selector Cover Plate Vintage

Singer 636 Touch & Sew Sewing Machine Parts Stitch Length Lever Selector Knob

Singer 604 Auto-Reel Sewing Machine Parts Stitch Length Lever Selector Knob

Singer 600 603 Auto-Reel Sewing Machine Parts Stitch Length Lever Selector Knob