6 metal fasteners, namely, screws, nuts, bolts, washers, clips, rings, pins studs, and rivets used in connection with bosses, clips, junctions, and connectors
20 non-metal fasteners, namely, screws, nuts, bolts, washers, clips, rings, pins, studs, and rivets used in connection with bosses, clips, junctions, and connectors; and non-metal bosses, clips, junctions, and connectors