1. Square Drive: 1' ' 2. Capacity Bolt Size: 1.77' ' / 45mm 3. Free Speed: 3200r. P. M 4. Max. Torque: 1765ft-lb/ 2400N. M 5. Overall Length17.32' ' / 440mm 6. Air Inlet: 1/ 2' ' 7. Air Hose: 1/ 2' ' 8. Net Weight: 27.85lb/ 12.60kgs 9. Packing: 2pcs/ ctn/ 2.18'