This is the Milwaukee M18 Fuel Compact Impact Wrench - Red (2759B-20) Brand New NO Box. It is equipped with Lithium-Ion (Li-Ion) battery technology, a Brushless motor, and an 18V Voltage. The maximum torque of this impact wrench is 220 in-lbs and it comes with a single 5 Ah battery. This impact wrench is lightweight, heavy duty, and compact. It is 4.1338582677 inches in Length, 9.1732283465 inches in Height, and 6.811023622 inches in Width. The Milwaukee M18 Fuel Compact Impact Wrench is a great tool for anyone who requires a powerful and long-lasting impact wrench that can be used in a variety of applications.