Hennessy Industries Inc. says the Coats ProGuard Plus Leverless tire changer's pneumatic tabletop design, developed specifically for oversized, run-flat and low profile applications, reduces the risk of tire or rim damage. Built-in features lessen the strain of tire changing and can be done with easy-to-use controls from a single operator location. Coats ProGuard Plus Leverless tire changer takes effort and risk out of changing low profile, run-flat and large diameter tires.