Atlas Copco LUM pistol range is the workhorse of our pneumatic screwdriver line-up. The LUM Pistol Grip Screwdriver combines the best engineering, continuously refined and improved, to bring you superior ergonomics, durability and productivity. Suitable for joints with demands on torque accuracy, providing accurate tightening time-after-time, independent of variations in joint stiffness. The LUM pistol grip range comes in several different configurations.