Durable: Built for a long life and easy service, this pump produces up to 10,000 PSI of high pressure, operating from 90 PSI and more; Comes included with an overload protection for added safety and internal pressure relief. Foot Control: Designed to convert rams from manual to air/hydraulic operation; This foot pedal pump effortlessly releases pressure to return fluid, with a quick displacement of up to 54.08 oz. hydraulic fluid. Application: This rugged, lightweight aluminum reservoir is suitable for heavy machinery, auto repair, oil rigging or maintenance; This hydraulic pump will operate all AFF rams including large diameter & multiple ram configurations.