LIGHTWEIGHT AND COMPACT DESIGN DURABLE GLASS-FILLED NYLON RESERVOIR AND NYLON ENCAPSULATED ALUMINUM PUMP BASE FOR MAXIMUM CORROSION RESISTANCE TWO-SPEED OPERATION ON MOST MODELS REDUCES HANDLE STROKES BY AS MUCH AS 78% OVER SINGLE SPEED PUMPS LOWER HANDLE EFFORT TO MINIMIZE OPERATOR FATIGUE HANDLE LOCK AND LIGHTWEIGHT CONSTRUCTION FOR EASY CARRYING LARGE OIL CAPACITIES TO POWER A WIDE RANGE OF CYLINDERS OR TOOLS NON-CONDUCTIVE FIBERGLASS HANDLE FOR OPERATOR SAFETY INTERNAL PRESSURE RELIEF VALVE FOR OVERLOAD PROTECTION