Metal building materials; small items of metal hardware; fasteners; shackles; latches; metal rings; rivets; hooks (metal hardware); metallic clips for cables, pipes, tubes, wire rope, fastening sheet materials to support members, supporting sheet materials; builders' hardware of common metals; closure clips made principally of metal; screws, bolts, nuts, washers, split pins, allthread, nails, studs, socket head cap screws, rolled spring pins, circlips, small items of metal hardware; hinges, padlocks; common metals and their alloys; ironmongery; excluding valves and cocks of all kinds in this class