Vintage Singer 301 / 301A sewing machine extension bed hinge screws with chrome finish. This set includes the front and rear screws, and includes the flat and cupped washer for the front screw (the rear screw does not use washers). Very nice vintage condition, rust free. Original, genuine Simanco part #140585, 51108, 170131 and 170130. *Not compatible with the Featherweight