LX-1161, Heavy-Duty, Fully Automatic, Continuous Cycle, Air Operated Grease Gun. This grease gun is Designed Specifically for Heavy-duty, Continuous Cycle use.........it is built for the Professionals. The barrel of this gun can be adjusted 360 degrees to navigate around obstructions to allow easier access to grease fitting. It also has a Fully Chrome Plated finish for Maximum Protection against Corrosion, a Air Bleeder Valve to release Trapped Air, a Filler Nipple with Ball Check for use with Grease Filler Pump, a Heavy-duty Follower Spring for Consistent Priming and a Posi-lock Follower Rod with Ergonomically Designed T-handle to provide a Positive Grip and Easy Filling at any position. Maximum Operating Pressure : 6,000 PSI (414 Bar). Complete with Four Jaws Hydraulic Coupler, airline nipple, and a 6"(150 mm) Extension Pipe.