Graco 112196 Pneumatic Pistol Type Grease Gun - Includes Rigid Extension And Hydraulic CouplerPneumatically operated pistol style grease dispensing gun. Typical applications include automotive dealerships, fast lube centers, service shops, heavy duty dealerships, fleet services facilities, in plant, lube trucks, and mining. Comfortable Pistol Style Grip Allows for easy, one handed operation. Bulk Loader Valve Allows loading from bulk container pumps. Heavy duty cast head and cartridge body designed for reliability and long life.