Features:

• Stall type open-end wrench -- will stall when torque resistance matches the tool’s power output. Relative torque range is met by adjusting compressed air pressure to the tool
• Designed for silent operation and longer tool life with the all-gear drive mechanism
• Provides smooth and easy operation and automatic release of socket back to preset open position with unique one-hand, two-step throttle lever
• For complete socket selection and custom sockets, please contact customer service. Specify Hex size of Gear Socket when ordering.
• Recommended Air Pressure: 85 psi