The Kelley air-powered edge-of-dock leveler features patented air bag lifting technology, and its push-button operation eliminates manual lifting. Incorporating superior features such as a lift system that’s fully operational even in extreme temperatures, laminated dock bumpers, an integral maintenance strut, the Kelley air-powered edge-of-dock leveler is designed to provide your loading dock with maximum efficiency, reliable performance and a lower cost of ownership than other edge-of-dock systems.