The Matco 1/2" High Power Impact Wrench MT3779 THE REX is a single item tool designed for high torque applications, with a maximum torque output of 1700ft/lbs breakaway torque. Made by Matco Tools in Taiwan, this impact wrench features a 1/2" drive size and a 1/4" air inlet size. It is a reliable and powerful tool perfect for various automotive and industrial applications requiring a strong and durable impact wrench.