Continuously pumps grease while trigger is depressed. Pressure Range: Air Supplied Input 60 ~ 150 psi Output 2,400 ~ 6,000 psi Working Pressure: Recommend Air Supplied Input 90 psi Output 3,600 psi Loading Way: 14 oz. Cartridge / 400c.c. Bulk / Dispenser. Capacity: 14 oz. / 400c.c. Package: 5pcs/ctn (Blow Case, Standard Box)