Milwaukee Tool M18 Compact Brushless 1/4" Hex Impact Driver (Tool-Only) (USED)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 3600 RPMs for faster speed and increased productivity. TR Compact size allows for unrivaled access in tight spaces Brushless Motor