The Milwaukee 2563-20 M12 FUEL 1/2 Inch Stubby Impact Wrench delivers up to 550 ft lbs of nut busting torque in a compact, lightweight design ideal for tight spaces. Its 4 Mode DRIVE CONTROL system provides precise speed and power management, including auto shut off and bolt removal mode for consistent fastening results. Tri LED lighting offers high definition illumination with reduced shadows for improved visibility. A new battery isolation system enhances connection security and reduces vibration transfer. Compatible with all M12 batteries and chargers, this impact wrench is built for professional automotive, fleet and equipment service applications.