20 Curtain fittings, namely, curtain hooks, non-textile curtain holders, curtain rings; metal-substitute plastic fasteners, namely, window fasteners, sash fasteners for windows; nails, wedges inserted under vehicle tires to move the vehicle, nuts, screws, upholstery tacks, bolts, rivets and casters, not of metal; washers, not of metal, not of rubber or vulcanized fiber, namely, washers of plastic for furniture assembly; locks, other than electric, not of metal; hooks, not of metal, for clothes rails; corks; plastic stoppers for industrial packaging containers; plastic lids; wooden stoppers for industrial packaging containers; wooden lids for industrial packaging containers; nameplates and door nameplates, not of metal; water tanks for household purposes, not of metal or masonry; non-metal cable clips; mattresses not for medical purposes; non-metal hooks