The ergonomically designed Red Rooster Shut-Off screwdrivers feature superior torque and accuracy as well as low vibration and noise level. The clutch is specially designed with a blend of low reaction forces and high torque repeatability. The air tool is specially designed for the assembly industry, where threaded fasteners are used. The various features of the tool includes new straight body-design with soft grip, reversibility, silence rear-exhaust, ergonomic grip, push-to-start or lever start and easily adjustable functions.