Hardware articles of non-metal or predominantly of non-metal components, namely, non-electric door and gate closers, mechanical locks, non-electric magnetic locks, locking bolts, door bolts, gate and fencing hardware in the nature of latches, and other devices in the nature of latches for mounting, closing, latching, securing and locking windows, door panels, window panes, doors, cabinet doors, hatches and gates, wherein the non-metal components consist of composites, polymers, plastics, rein...