The Milwaukee M18 FUEL™ ONE-KEY™ 1″ High Torque D-Handle Impact Wrench is built for professionals who need strong power and tough durability. It has a 4-speed DRIVE CONTROL™ system to easily adjust speed and torque for different jobs. With ONE-KEY™ technology, you can track and customize the tool for better productivity and security. The 1″ square drive with friction ring lets you change sockets quickly, and the short anvil design helps reach tight spaces. This impact wrench is perfect for heavy-duty work in automotive, construction, and industrial maintenance.