Model Number: TC- P501H Brand Name: BLUAIR Key Specifications/Special Features: 1/2"Dr air impact reaction less ratchet wrenchMax torque: 135 N-mMechanism:pin clutchNon-reaction foreGood performance in narrow spacesEasy maintenanceErgonomic composite body/TPR sleeve gripApplications: automotive/motorcycle/agricultureOEM/ODM services are accepted Model Square drive Max torque Net weight Overall length Air inlet Hose size Air cons Free speed (inches) (ft.lb/Nm) (kg) (mm) (inches) (inches) (CFM) (RPM) TC-P501H 1/2" 100/135 1.83 340 1/4" 3/8" 7.1 200 TC-P502H 3/8" 100/135 1.83 340 1/4" 3/8" 7.1 200 Exhaust rear Mechanism pin clutch Air pressure: 90 PSI 6.3 kg/cm2