Features High Pressure Proof Seal: This heavy duty grease gun adopts high pressure proof seal to ensure no grease leakage, the tool grease gun can withstand a maximum working pressure of 10,000‑12,000PSI. 3 Grease Loading Methods: This heavy duty pistol grip grease gun has three grease loading methods, with 1L cartridges, bulk suction fill, and filler or dispenser pumps. Coupler Storage Design: This pneumatic grease gun features a coupler storage design, after use, plug the grease gun connector into the unit for easy storage and portability. It also prevents resi-dual grease from staining clothes and work areas, and can effectively prevent impurities from entering and causing grease to deteriorate and oxidise. Ergonomic Design: This heavy duty pneumatic grease gun is ergonomically designed to make it reliable and user friendly, with a pistol grip that allows the user to operate it easily with one hand. Wide Application: This pistol grip grease gun has a wide range of applications and can be used for industrial equipment such as steel, paper, chemical industry, automobile manufacturing, ship maintenance, etc., and agricultural equipment such as agricultural machinery, tractors and harvesters. Specification: Item Type: Heavy Duty Pneumatic Grease Gun Material: Alloy Steel, Aluminium Alloy Air Hose Connection: G1/4Inch (PM20) Quick Connector Pressure: 10000-12000 PSI How to Use: Open the package and remove the pneumatic grease gun to start using it. packing list: 1 x Heavy Duty Grease Gun 1 x Spring Hose 1 x Extension Nozzle 1 x Pointed Nozzle 1 x Reinforced Coupler 1 x Special Wrench 1 x Screw Package List 1 x Heavy Duty Grease Gun 1 x Spring Hose 1 x Extension Nozzle 1 x Pointed Nozzle 1 x Reinforced Coupler 1 x Special Wrench 1 x Screw