Product Description ------------------- 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 steel that is specially coated for ultimate rust prevention. From the Manufacturer --------------------- This set includes the 426- 6.5" and the 420 9.5" tongue & groove pliers. Both of these pliers feature Channellock's patented undercut tongue-and-groove design which assures strongest, no slip jaw action, the patented PermaLock fastener which eliminates nut and bolt failures and the distinctive Channellock Blue comfort grips. Both of these pliers have an electronic coating to prevent rusting.