Vintage Singer sewing machine slant shank adapter with snap on straight stitch foot. Will fit slant shank machines only such as the 301, 401, 403, 404, 500, 503, Touch & Sew, etc. Very nice vintage condition, clean & rust free. May have chromed or satin finish. Genuine Singer part #153267 or #409377 and shank #153267 or #163706.