Square drive:25.4mm(1") No-load speed:3600/min Max.torque:3100Nm(2220Ft-lb) Weight: 18.5KG With universal connector. Air Consumption:36Cfm(1019l/min) Anvil:200mm(8") Capacity bolt Size:45mm(1-3/4") Air inlet:1/2" Air hose:5/8" Packed by BMC