The K-Tool International Air Operated Continuous Flow Grease Gun, No. KTI73962, offers an ergonomic pistol grip and an acute angle design. Its heavy duty aluminum die cast head with internal bore precision is honed for rapid action. Grease is discharged with every press of the trigger. With a 6" steel extension and coupler, the grease gun dispenses 14 oz per minute and develops up to 4,800 psi (air inlet 40 to 120 psi). With a three-way loading 14-oz cartridge, bulk and suction fill, the grease gun comes with a one-year warranty.