Air Hand Tapping Tool 0.75 250 rpm Free Speed Max Tap Capacity Steel 1/2 In. Max Tap Capacity Aluminum 5/8 In. CFM @ Full Load 27.0 90 psi Required Pressure Max Pressure 120 psi Min Hose Size 3/8 In. Tooling Size 1 Tool Weight 3.3 lb. Reversible Yes Includes Quick Change Tooling Adaptor