High-pressure, lightweight hydraulic hand pump for lifting, bolting, or applying pressure with a hydraulic cylinder (sold separately) * Glass-filled nylon reservoir and nylon-covered aluminum base provide corrosion resistance and are lighter than steel hydraulic hand pumps * Internal pressure relief valve protects against overloading the pump * Two-speed operation requires fewer handle strokes than single-speed hydraulic hand pumps * First-stage pressure rating of 200 psi and second-stage pressure rating of 10,000 psi