Air Tapping Arm Maximum Reach 51 in Minimum Reach 14 in Maximum Tapping Capacity - Steel 1/2 in Maximum Tapping Capacity - Aluminum 9/16 in Tool Holder Size Size 1 Free Speed 400 RPM Torque 28 ft-lb Air Consumption 24 cfm Number of Speeds 1 Includes Angle Mount Base Filter Lubricator Reversible Air Motor Maximum Operating Pressure 120 psi Required Pressure 90 psi Reversible Yes Weight Capacity 40 lb