Air Tapping Arm 400 RPM Torque 80 ft-lb Max Tap Capacity Steel 1/2 in Max Tap Capacity Aluminum 9/16 in Reach 51 in 1 Number of Speeds CFM @ Full Load 24 cfm Required Pressure 91 psi 120 psi Max Pressure Weight Capacity 14 lb Tooling Size 1 Reversible Yes Includes Angle Mount Base Filter/Lubricator Reversible Air Motor with Tap Capacity Up to 9/16 in Size 1 Quick Change Chuck