Get All the Power and Half the Noise with the 1/2inch Composite Twin Hammer Impact Wrench The Aircat 1/2inch composite twin hammer impact wrench is ideal for all-around automotive use and tire removal. The wrench has two hammers in a closed cage that rotates around the anvil - this design allows the hammer to hit at the same time on both sides of the anvil for extremely powerful and lasting performance. With its multi-patented exhaust muffler/filter technology, the hammer has substantially reduced noise to only 86 dB without losing any power or torque. It's high-quality bearing surfaces, air chambers and operation turbines are durable and particularly suitable for long operation. Featuring an ergonomically engineered handle design, the 1/2 inch composite twin hammer impact wrench relieves stress and fatigue on your hands, arms and wrists so you can work faster and longer. And, the handle's design offers better balance and sure-grip, so you can work all day comfortably. Protected by a rugged composite housing, and built to perform, it's a tool you can count on, job after job.