RELOIVE Cordless Impact Wrench 1/2", 332ft-lbs (450N.m) High Torque Impact Wrench with 2x 4.0Ah Batteries Brushless Motor Electric Impact Gun Impact Driver for Car Home Featuring forward & reverse modes, this product effortlessly tightens or loosens various types of nuts or screws. It can be used as an impact wrench, drill driver or screwdriver and comes with a flexible extension for hard-to-reach areas. Driven by a powerful brushless motor, the impact wrench delivers 332ft-lbs (450N.m) high torque, 3450RPM high speed and 3500IPM high impact frequency for efficient work. Great for industrial use, car maintenance, home repairs and DIY projects. Our impact wrench has 2 optional speeds (0-2650RPM/0-3450RPM) to suit different work requirements, which can be switched by pressing the bottom switch button. The button on the handle is used to adjust the speed steplessly, and the speed increases as the button is pressed deeper.