The Makita 18V LXT Lithium-Ion cordless 1/2 In. Impact Wrench (model XWT05) delivers cordless impact power with a 1/2 In. square drive that will fit impact-rated socket sets. The versatile XWT05 packs plenty of torque for a wide range of fastening and loosening tasks, yet it weighs only 3.8 lbs. (with battery) and is a cordless option to air-powered impact tools.