MULTI-LOCK

multi-functional hand tools consisting of a combination of pliers and one or more of knife blades, wire cutters, screwdrivers, can openers, bottle openers, files, graduated rulers and lanyard rings, sold as a unit; screwdriver bits and couplers for use with such tools; sheaths for such tools, sheaths for such screwdriver bits and couplers, and sheaths for the combination thereof