Lubrication is the key to a long trouble-free life for any moving metal parts. Use the Powerbuilt Mini Pistol Grip Grease Gun to precisely apply lubrication to your vehicle or other machinery. This 3000 PSI mini grease gun features a pistol grip for convenient one-handed operation and is forged from heavy-duty steel. It uses standard 3 ounce grease cartridges or it can be easily hand-packed for bulk filling. This tool comes with a 6" extension pipe attaches at 0 degrees or 90 degrees to fit into hard-to-reach locations. Designed with a push-button air bleeder valve to prevent airlock.