Vintage Singer sewing machine class 301 slant shank tucker foot attachment, comes with the original box and instructions. Will fit slant shank machines only - Compatible with all slant shank models such as the 301, 401, 403, 404, 500. 503, etc, but please note that this tucker is NOT compatible with zigzag sewing. Nice vintage condition, clean and rust free. The box will show typical signs of age. Genuine, original Simanco accessory, part #160692.