FEIN 12 and 18 V cordless drill/drivers. FEIN cordless impact wrenches are ideal for tightening and unscrewing metric screws. The exceptionally efficient FEIN brushless PowerDrive motors provide up to 290 [2.567] in/lbs[Nm] torque. The electronic torque adjustment mechanism enables the torque to be adjusted to the required tightening torque in 6 steps per screw size. The reverse torque is 10% higher, enabling tightened screws to be unscrewed easily, even after undergoing mechanical loading or suffering the effects of corrosion. The torque can be adjusted to the required tightening torque, to suit the screw size. Thanks to the innovative FEIN MultiVolt interface, the 18 V cordless impact wrenches can be used together with all FEIN lithium-ion batteries no matter what voltage. The adjustable torques make it much easier to control the impact wrenches. The tightening torques for metric screws are defined in DIN standards and using static calculations. The maximum torque on the FEIN cordless impact wrench can be preset in six increments. The specified values apply for the hard torque-rate joint and are accurate to a tolerance of +/- 10 %. This improves control of the screwing process and smaller torque-rate joints are protected from damage.