The MILWAUKEE M18 Compact Brushless 1/4 Hex Impact Driver is more compact with faster driving speeds. Measuring only 4.4 in length and 2.1 in width, the compact size allows for better access in tight spaces while being lightweight and portable. The brushless motor technology provides 1,700 in-lbs of torque and up to 3600 RPMs for faster speed and increased productivity. MILWAUKEE REDLINK Intelligence optimizes the way the M18 REDLITHIUM batteries work with the impact driver for best-in-class performance. Premium components and an all-metal gear case provide the durability that professionals require. This hammer drill kit includes (2) MILWAUKEE M18 REDLITHIUM CP2.0 Battery, (1) MILWAUKEE M12/M18 Multivolt Charger, (1) Contractor Bag. The Compact Brushless 1/4 Hex Impact Driver is part of the M18 system, fully compatible with over 250+ solutions.