Handle the toughest jobs with maximum power, speed and runtime. The M28™ Cordless Lithium-ion 1/2" Impact Wrench combines 325 ft-lbs of torque with 1450 RPM and 2450 BPM to complete heavy-duty applications. It’s powered by the revolutionary M28™ Lithium-Ion Battery (sold separately), which provides up to 2X more runtime than 18v batteries. The magnesium gear case offers extreme jobsite durability and lighter weight.The M28™ 1/2" Impact Wrench features non-slip, soft-grip surfaces that reduce vibration for comfort and less fatigue during prolonged use. The forward/reverse shuttle is helpfully located above the variable-speed switch for fast, easy access, while the detent kit ensures quick changes as well as superior socket retention. A hanger bracket and heavy-duty steel ring are included for convenient tethering when working high overhead or for raising/lowering the tool when working from a ladder or utility pole.