Double Gear Zipper Grease Gun is engineered for durability and efficiency, this grease gun features a double-gear zipper mechanism for enhanced power and smooth operation. The aluminum alloy die-cast head ensures lightweight yet robust performance, while the wide rolled thread design enables quick and hassle-free reloading. A soft rubber grip on the lever handle minimizes hand fatigue during extended use, and the detachable rear cover and piston simplify cleaning and maintenance.