Check the listing for details. Install & Remove Springs on Commercial Trucks & Trailers for Spring Tech Tool. Condition: New. Listed at 69.95 USD. Install & Remove Springs on Commercial Trucks & Trailers for Spring Tech ToolFitment:This brake return spring tool fit for large trucks and trailers with air brakes with S cam design. Use for install and remove return springs on commercial truck and trailer Features: 1) The Spring Tech Tool compatible with s-cam return spring. If is s-cam brake type, the Truck Brake Spring Tool works on the return spring install/uninstall 2) Provides leverage to back out brake shoe and remove roller cam. The tool can cups the return spring to prevent it from sliding off and possible injury. The end with unique slight bend design to make it fit better and not slip as easily 3) Safely, quickly and easily remove and install the return spring. Slide the Brake Return Spring Tool between the shoe webs over the top roller and hook the top of the return spring below the coil. Push down on the handle and unhook the spring from the pin by pulling back or pushing forward on the handle depending on the direction of the spring opening 4) Made of high quality steel, will no deformation and not break. surface black coated to ensure resistance to corrosion and rust, protection and years of trouble-free use. Non-slip, extra long handle provides excellent stability Package included: brake return spring tool