The Hercules 20V Variable Speed Grease Gun HC108B is a powerful and versatile tool designed for automotive maintenance tasks. With a maximum pressure of 10,000 PSI and a 14.5oz. cartridge capacity, this grease gun provides efficient and convenient lubrication. The variable speed trigger, ergonomic grip, and LED light make it easy to use in various situations. Additionally, features such as the lock off switch and air-bleeder valve ensure safety and precision. Powered by a 20V battery, this grease gun offers quick charging with its 20v/5AH batt and 20v/12v Li-Ion Fast Charger, making it a reliable choice for mechanics and car enthusiasts.