This cordless impact wrench from Ingersoll Rand is the perfect addition to any mechanic's toolbox. With a drive size of 3/8in., it is ideal for use on a variety of fasteners. The wrench is made by a trusted brand in the industry and comes with the manufacturer part number W3131. This is a must-have for anyone looking to improve their heavy duty tools and supplies. This is only the tool, battery is not included.