The Einhell IMPAXXO 18/400 Power X-Change Impact Wrench makes effortless work of driving in large or long screws, and unlike impact drill drivers it helps reduce strain on the users joints. Powered by the Einhell PurePOWER brushless motor. This brushless motor offers more power and a longer running time than conventional carbon brush motors. After registering online, the brushless motor comes with a 10-year warranty. The high torque of the powerful cordless impact wrench ensures sufficient force to loosen even tightly seated, wedged or rusted nuts in no time. It has a robust 1/2in square socket, and delivery includes a bit adaptor for screwing. The integrated LED light for illuminating the working area also allows a quick tyre change when it matters: when sunset is creeping up on you, in darkness or in garages without sufficient lighting. Offers wireless freedom as a member of the Power X-Change family. Comes as a Bare Unit, NO battery or charger. Specifications: Tool Holder: 1/2in square.No Load Speed: 0-2,100/min.Impact Rate: 0-3,300/bpm.Max. Torque: 400Nm.Weight: 2.0kg excl. Battery.