The Dual Piston Grease Gun provides the best of both worlds. High pressure output needed for dirty, blocked fittings easily switches to high volume to get the job done faster. 3-way loading: 14 oz. cartridge, bulk or suction. Includes 5-3/8" angled pipe with HD coupler, and 18" flex hose with HD coupler. Dual purpose bulk loader/bleeder fitting makes priming easier. The lightweight aluminum barrel and rubber handle grip make for more comfortable use. Develops up to 10,000 PSI. Delivers 1 oz./12 strokes. Boxed. 5/master