The Speedway 3/8 inch Air Ratchet is the ideal choice. It features a free speed of 150 RPMs and a maximum torque of 45 ft/lbs to allow you to quickly and efficiently complete almost any job placed before you. It comes with a standard 1/4 inch air inlet valve, operates at 90PSI and has an average air consumption of 4 SCFM. The polished, easy to grip handle allows you to effortlessly work with the tool.