Patented undercut tongue and groove design assures, no slip jaw action Has reinforcing edge minimizes stress breakage PermaLock™ fastener eliminates nut and bolt failures Distinctive Channellock® blue comfort grips Red and blue handles9-1/2" right angle tongue and groove pliers. Channellock® pliers are made of high carbon C1080 steel for superior performance on the job, and an electronic coating for ultimate rust prevention. This has a unique design,with its SAFE-T-STOP, the lower jaw combines with expanded reinforcing rib to prevent handles from contacting each other. Also the right angle teeth grip in all directions for maximum bite and minimum wear. There"s no sacrifice here, you have the durability and the comfort!