SIMPLY STEP DOWN ON THE FOOT-OPERATED PEDAL AND THE FORKS LIFT TO 4-"" INSTANTLY; NO HANDLE PUMPING IS REQUIRED. NORMAL PUMP OPERATION IS RESTORED WHEN THE LOAD EXCEEDS 300 LBS. HEAVY-DUTY HYDRAULIC PUMP WITH SAFETY OVERLOAD BYPASS VALVE SMOOTHLY LOWERS PALLET MINIMIZING MERCHANDISE DAMAGE. ERGONOMIC RUBBER COATED HANDLE IMPROVES GRIP AND HAS 3-POSITION FINGERTIP CONTROL (RAISE LOWER NEUTRAL). ROLLS SMOOTHLY ON 7"" POLYURETHANE STEER WHEELS.