Marketing InformationCHANNELLOCK® 480 BIGAZZ® straight jaw tongue and groove pliers didn't get their name by accident. With a 5-1/2 in jaw capacity, these pliers are as big as the job at hand. Its 12 non-slip, undercut adjustment channels offer a versatile range of adjustments for virtually every field application. CHANNELLOCK® straight jaw tongue and groove pliers are built to last with a Permalock® fastener to eliminate nut and bolt failure, patented reinforcing edge to minimize stress breakage and laser hardened teeth to provide a better, longer lasting grip. CHANNELLOCK® straight jaw tongue and groove pliers are made in USA and forged from high carbon US steel that is specially coated for ultimate rust prevention.