A high performance 4-pole motor delivers maximum power whilst maximising the power to weight ratio. Featuring REDLINK™ overload protection electronics in the tool and battery pack, it delivers best in class system durability. Has a heavy-duty full metal gearbox and gears for superior durability and maximum torque, and a ½in square drive for use with universal sockets. Has a on board fuel gauge and LED light. REDLITHIUM-ION™ batteries deliver two times more run time, up to 20% more power, and two times more battery life. The battery also operates better at -20°C, than any other lithium-ion batteries. Individual cell monitoring optimises tool run time ensuring long term durability. Flexible battery system that works with all Milwaukee M18™ batteries. Specifications: Bit Holder: 1/2in square.No Load Speed: 0-2,450/min.Impacts Per Min: 0-3,350/min.Max Torque: 240Nm. No batteries or charger included.