The SATA Air Impact Wrench range includes our lightweight 625 Nm ½-inch Drive Air Impact Wrench to our 4,000 Nm 1-inch Drive Heavy-Duty Air Impact Wrench. Standard duty wrenches feature a hard-hitting twin hammer design which provides high torque output while reducing vibration. The heavy-duty 1-inch drive model has an ergonomic design that is 10% lighter than similar competitive tools without compromising on performance.