The SnapLock grease guns innovate the grease gun world with a patented "threadless" barrel and locking mechanism to secure the barrel in place. The aluminum barrels are lightweight to reduce fatigue during use. 3-way loading: 14 oz. cartridge, bulk or suction. An auto-bleeder valve and locking plunger make priming simple. Variable stroke for use in tight spaces. Includes 5-1/2" straight pipe, 18" flex hose and heavy duty coupler. Develops up to 8,000 PSI. Delivers 1 oz./40 strokes. The SnapLock Pistol Grease Gun is a manual grease gun that features a unique SnapLock mechanism for easy and secure loading of grease cartridges. The SnapLock design allows the user to quickly and easily change out grease cartridges, reducing downtime and increasing productivity. It also has an auto-bleeder valve and locking plunger making priming easy and ensures a smooth, consistent grease flow.