OTC's S-Cam Air Brake Spring Tool eliminates makeshift, unsafe methods of unhooking and reconnecting brake shoe retaining springs. For use when replacing brake shoes on heavy-duty tractors and trailers. Simply hook the retaining spring loop and press down. Lever action agains the axle makes the job a snap. Crafted from high-grade materials to ensure quality performance over the lifetime of the tool. Value is at the core of the OTC tool and equipment portfolio. For a simple repair or the most complex drivability concern, these award-winning tools universally solve problems faster, and at better value, than any other product line available. Whether it's a specialty tool or unique piece of service equipment, OTC provides top solutions to modern automotive service challenges while increasing technicians' productivity and shop profits.