DeWalt 18v 3/8" Drive Impact Driver - Tool Only  ( DeWalt DC823B )

This compact utilizes lightweight materials such as magnesium for the gear case along with replaceable brushes for increased serviceability. It features compact size and weight which allows access into tighter areas and reduces user fatigue. It packs 1,500 inch-pounds of torque to perform a wide range of fastening and loosening applications Heavy-duty impacting mechanism directs torque to fastener without kickback.  Dewalt has a 90 day money back guarantee; if you don’t like the tool, bring it back. It is also uses Dewalt’s backwards compatibility where you can use any of their batteries on this tool.