Square Drive : 1-1/2" (38.1 mm) Bolt Capacity : 2" (50 mm) Free Speed : 3,000 r.p.m. Max. Torque : 2,500 ft-lb (3,394 N-M) Hose Size : 1/2" (12.7 mm) Air Inlet : 1/2"-PT Air Cons. : 14.8 cfm (420 l/min) Net Weight : 33.1 lbs (15.05 kgs) Length : 18-3/4" (475 mm) Air Pressure : 90-115 psi (6.3-8 kg/cm2) Packing : 1pc/1.1cu.ft/G:18.8kgs Deleviry Port : Taiwan and China FOB