SAE Products Pistol Grip Clear Barrel Grease Gun with Purple End Caps and 12" Flexible Hose Cartridge Capacity: 14 oz. Bulk Capacity: 16 oz. Stroke Delivery: 1 oz. / 40 strokes Maximum Pressure 7,500 PSI Features: hi-tech poly carbonate shatter-proof see-thru barrel with purple end cap, variable stroke lever which allows higher greasing pressures from short strokes or high greasing volumes with full strokes. Features CNC machined aluminum die cast head with bulk loader which doubles as an air bleeder, and zinc plated pull handle