Upgrade your lubrication tasks with the Performance Tool W54174 Grease Coupler Quick-Lock! This high-pressure coupler effortlessly delivers lubrication, ensuring optimal performance of bearings and joints. Its advanced design empowers mechanics, engineers, and enthusiasts to lock on and release grease fittings quickly. Crafted from durable chrome vanadium steel, the Performance Tool Grease Coupler boasts exceptional strength and longevity. With hardened spring steel jaws and a high-quality sealing gasket, it's designed to reduce leaks. The extended reach of 2-1/2 inches enables access to recessed fittings, while the 1/8-NPT female thread and 12,000psi capacity ensure compatibility and superior performance.