Features & Benefits:POWERSTATE™ Brushless Motor delivers up to 1,800 ft-lbs. Nut-Busting Torque, Making it the World's Most Powerful Cordless Impact WrenchUp to 7 lbs. Lighter Weight allowing for less user fatigueEliminates Compressors and Generators, providing greater portability and lower cost of ownership4-Mode DRIVE CONTROL™ provides greater control over output speed and power.ONE-KEY™ Compatible: Ability to Customize, Track and Manage tools for increased productivity and investment protection. Includes the ability to set a repeatable torque output for maximum control.Our M18 FUEL™ 1" High Torque Impact Wrench w/ ONE-KEY™ is the world’s first cordless 1” High Torque Impact Wrench. The POWERSTATE™ Brushless Motor delivers up to 1,800 ft-lbs of Nut-Busting Torque and 1,500 ft-lbs of fastening torque, making this the most powerful cordless impact wrench and enabling you to complete the most demanding applications. At only 12.9lbs with battery, the tool is up to 7 lbs. lighter than corded units, providing you with less fatigue while making overhead applications easier to complete on the job site. The battery-powered impact wrench provides you with cordless convenience and eliminates your need for compressors, generators, cords, and hoses. This reduces your cost of ownership by lowering energy costs and eliminating routine maintenance on compressors and generators. With no cord or hose, you have greater portability and the ability to complete applications you were not able to do with a corded or pneumatic unit. The REDLINK PLUS™ Intelligence ensures you achieve maximum performance and protects your High Torque Impact Wrench against overloads, over-heating, and over-discharge. M18™ REDLITHIUM™ Battery Packs are compatible with all M18™ tools, providing you with more work per charge and more work over the life of the pack. The 4-Mode DRIVE CONTROL™ provides you with greater control over the output speed and power of the powerful High Torque impact wrench . The ONE-KEY™ capabilities provide you with the ability to Customize, Track and Manage the impact wrench. ONE-KEY™ technology also gives you the ability to set a repeatable torque output for maximum control.