Marketing InformationCHANNELLOCK® 412 6-1/2 in tongue and groove pliers have unique V-jaw design that creates more points of contact on round stock and tubing. These 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® V-jaw pliers are made in USA and forged from high carbon US steel that is specially coated for ultimate rust prevention.