The Einhell 1/4" cordless impact driver 4510045 is a high-power member of the Einhell Power X-Change family featuring all the advantages and range of applications offered by the sophisticated Lithium-Ion technology. All the batteries and chargers from the line can be used with this impact driver. The brushless motor also delivers more power and runs longer than a conventional carbon brush motor. With the brushless cordless impact driver there is no wear from mechanical abrasion. Tightening large and long screws is an effortless undertaking with the impact driver from Einhell. The impact driver comes with a 1/4" hex. bit mount. The finely adjustable electronic speed control (0 - 2,900 RPM) can be precisely adjusted to your requirements for the material you wish to work on, so that neither the material nor the impact driver are overstrained. For soft and delicate materials in particular, it allows work to be carried out with sensitive operation. Thanks to its short, light-weight design it reduces body stress and fatigue, and the ergonomic softgrip surfaces provide a comfortable and firm hold. This product comes without a battery or charger. Batteries and chargers for the Power X-Change range of products are available separately.