The MotoMaster Premium Heavy-Duty Pistol Grip Grease Gun is designed specifically for professionals who use their equipment multiple times each day and want the ultimate in performance and functionality. The Pistol Grip mechanism features a unique Dual-Leverage design. Switch the lever to the up position to deliver High Volume Output – Switch the lever to the down position to deliver High Pressure Output. The Pistol Grip Handles are chrome plated for corrosion resistance and ergonomically designed to reduce user effort and fatigue. The pump head is made from a heavier and reinforced cast-alloy material capable of withstanding pressures up to 17,500 psi (1200 bar). The unit develops up to 8,500 psi (586 bar) with one hand operation and can push through most blocked or restricted grease fittings. It is a great choice when working in confined spaces, commonly encountered on auto, truck, farm and construction equipment. It also features a very robust grease storage and delivery system. This grease gun literally has it all.