Dewalt dw294 professional impact wrench 34in drive is compact and lightweight delivering enough torque for fastening bolts up to m20 ideal for user looking for a more durable handle a massive 440nm torque due to the larger impact mechanism higher springrate to increase fastening speed slide switch with forward and reverse provides ease of use and better control soft grip handle to reduce vibration and deliver more user comfort and improved balance specification bit holder 34in square input power