The Makita 18V LXT Lithium-Ion cordless 1/2" Impact wrench (model XWT05Z, Tool only) delivers cordless impact power with a 1/2" Square drive that will fit impact-rated socket sets. The versatile XWT05Z packs plenty of torque for a wide range of fastening and loosening tasks, yet it weighs only 3.8 lbs. (With battery, sold separately) and is a cordless option to air-powered impact tools. The XWT05Z features a Makita-built 4-pole motor that delivers 170 ft.Lbs. Of max torque, 0-2, 100 RPM's, and 0-3, 200 impacts per minute for a wide range of fastening tasks. Makita proprietary hammer and anvil impact mechanism are manufactured using the best raw materials with the highest quality Steel and unique heat hardening process for maximum fastening and driving power.