Item #: CHA444. Features & Benefits: 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 grips 12" 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. Customers also search for: Discount 12" Air Brake Tool, Buy 12" Air Brake Tool, Wholesale 12" Air Brake Tool, 025582180711, ToolWeb, Air Brake Tools