This 18v 430Nm Impact Wrench from Kielder features a brushless motor for ultra efficient power delivery, a Samsung Li-Ion battery providing reliable and stable performance and weighs just 1.7kg with a battery fitted. The perfect addition to any tool collection.Max Torque: 430Nm (317lb.ft)Drive: 1/2" SquareWeight (with 4.0Ah battery): 1.7kgMotor: Digital BrushlessGearbox: All MetalSpeed: 0-2750rpmImpact Rate: 0-3250ipmVibration: 9.75m/s2Perfectly designed with G-Square technology to ensure the wrench reaches top torque faster than conventional impact wrenches. The friction-less digital brushless motor maximises run-time from each battery charge and the variable speed trigger switch optimises control on every task, no matter how big or small. Fitted with an ergonomically designed handle and perfectly balanced for ultimate user comfort. This compact wrench is ideal for use on a range of assembly/disassembly jobs around the garage and workshop, especially useful in those tight spaces when working around a car.