Industrial Grease Gun, Heavy Duty Cast Head With Bulk Load, & Pressure Release Valves, Zinc Plated Lever Handle With A PVC Grip For Comfort, Extra Heavy T-Handle & Internal Return Spring, 3 Way Loading, Bulk, Suction Or Accepts Standard 14 OZ Cartridge, 7,500 Maximum Working Pressure, 18,000 Burst Pressure, .106 Volume Per Pump, Pipe & Hose Included.