Has a jam proof handle mechanism and single piece head casting. Variable stroke design delivers both high pressure and high volume. Filler nipple/bleeder valve combination. Creates up to 7500 PSI. Comfortable design and unique pivot angle may help to reduce user fatigue This heavy duty grease gun is designed to withstand the harshest lubrication environments and is ideal for all professional users of lubrication equipment. The Model 1134 comes complete with a heavy duty, 18" flexible hose with coupler and a rigid tube to suit virtually any job. Also features Lincoln's exclusive "flip over" follower to eliminate grease bypass. Other design elements include a heavy follower spring to ensure positive priming and uninterrupted pumping action; cartridge, suction or bulk loading options.