Pneumatic Air And Hand Powered Power Grease Lube Gun Greasing Greaser Tool Luber Air Grease Gun Set Specification * One-Hand Pistol Grip Air Grease Gun Delivers 1200-6000psi * Comes W/ 6-1/2 Extension * Can Be Cartridge-Loaded Or" Loaded W/ Bulk Grease * Operating Pressure: 30-150 psi * Grease Capacity: 14oz * Air Inlet: 1/4 NPT"