Channellock 428 1-1/2-Inch Jaw Capacity 8-Inch Tongue and Groove Plier Patented SAFE-T-STOP feature prevents finger pinch. Right angle, laser heat-treated teeth grip better and last longer Undercut tongue & groove design won't slip PermaLock fastener eliminates nut and bolt failure Made in the USA Patented reinforcing edge minimizes stress breakage High-carbon C1080 steel for superior performance on the job and specially coated for ultimate rust prevention