The Metabo HPT WH18DDX is an 18V Brushless Impact Driver that boasts extraordinary power and torque in a remarkably compact design. It features a brushless motor that provides lighter weight . more power . and longer tool life. The keyless 1/4 in. hex drive ensures fast and easy bit replacement and no bit slippage while in use. In addition . this driver comes with a bright LED . ergonomic grip . center- balance design . and 1240 in lbs. of torque to take the work experience to the next level. The WH18DDX is compatible with all Metabo HPT 18V and 36V lithium-ion slide batteries and the tool itself is warrantied from manufacturing defects for a lifetime!