The Groz 44265 is a heavy-duty, high-pressure grease gun designed for demanding lubrication tasks in industrial and agricultural settings. It develops an impressive 10,000 PSI (690 BAR) of pressure, ensuring efficient grease delivery. Featuring a variable stroke for accessibility in confined spaces and an air release valve for easy priming. Constructed with a robust aluminum die-cast head and a durable barrel with a 1.2 mm wall thickness. It is compatible with 14 oz (400 gm) grease cartridges or 500 gm of bulk grease. This reliable tool comes complete with a 150 mm (6 inch) steel extension and a 4-jaw coupler for versatile application.