cooper hand tools, a division of cooper industries, llc, manufactures and markets many well-known brands of hand tools, chain, and electronic soldering products, including campbell chain, crescent brand wrenches and pliers, lufkin measuring tools, nicholson files and saws, plumb hammers, h.k. porter bolt cutters, weller soldering products, and wiss snips. headquartered in apex, north carolina, cooper hand tools has manufacturing facilities in six domestic and eight international locations.