Made in the USA. Right angle, laser heat-treated teeth grip better and last longer. Undercut tongue & groove design won't slip. V-Jaws give you more points of contact on round stock and tubing. Patented reinforcing edge minimizes stress breakage. PermaLock fastener eliminates nut and bolt failure. CHANNELLOCK uses high-carbon C1080 steel for superior performance on the job and electronic coating for ultimate rust prevention. CHANNELLOCK BLUE grips for comfort.