The Einhell cordless impact wrench IMPAXXO 18/230 with the brushless motor offers more power and a longer running time than a carbon brush motor. As a member of the Power X-Change family, every system battery is used on all models in the series. The screwdriver with high torque ensures sufficient power to loosen even tightly seated wheel nuts. In addition, it has a robust 1/2″ external square socket, and a bit adapter for screwing is included in delivery. This impact wrench has also been designed with an ergonomic, soft-grip handle to reduce user fatigue and strain. Bare Unit – Use with your existing Einhell Power X-Change batteries and charger. Click to see the whole Einhell Power X-Change range.