Marketing InformationCHANNELLOCK® 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 U.S. steel that is specially-coated for ultimate rust prevention. The 430CB 10 in Tongue and Groove Pliers feature CODE BLUE® comfort grips.