OCX1154 Features: * Right angle teeth grip in all directions for maximum bite and minimum wear * Patented undercut tongue and groove design assures, no slip jaw action * Patented reinforcing edge minimizes stress breakage * PermaLock® fastener eliminates nut and bolt failures * Distinctive Channellock® blue comfort grips12" air brake tool. Channellock® pliers are made of high carbon C1080 steel for superior performance on the job, and an electronic coating for ultimate rust prevention. There"s no sacrifice here, you have the durability and the comfort! These special purpose pliers are used for trucks and trailers with S-cam brake system using manual or automatic slack adjusters. Helps to provide fast check of brake clearance between drum and brake shoe. * 12"" Air Brake Tool Warranty: * Lifetime warranty does not cover abuse