Dewalt impact wrenches 12in 34in 710w 110230v dewalt dw294 lx this 110v impact wrench from dewalt is both compact and lightweight delivering enough torque for fastening bolts up to m20 and ideal for somebody looking for a more durable handle equipped with a massive 440nm torque due to the larger impact mechanism higher springrate to increase fastening speed while the slide switch with forward and reverse provides ease of use and better control the soft grip handle reduces vibration