OTC S-Cam Brake Slack Adjuster Tool enables you to quickly check the brake adjustment on class 7 or 8 trucks and trailers equipped with S-cam brakes. Features a sturdy four-position handle to provide the leverage you need at the proper angle. Works on manual or automatic slack adjusters. 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.