Variable short stroke for easy use in confined areas. Air bleeder and bulk loader fitting for 3 way loading (14 oz. cartridge, bulk or suction). Includes 5-3/8" pipe and coupler. Plated lever with comfortable over sized grip. Develops up to 10,000 PSI and delivers 1.8 oz./40 strokes This Plows/Lubrimatic is our heavy duty professional grease gun for automotive professionals.