We supply air impact wrench Air inlet: 1/2" Air hose 1/2" Bolt Capacity: 45MM Square drive: 1" Ldling speed: 3500rpm Maximum torsion force: 2800Nm Air pressure: 8-10kg/cm2 Size: 72*26*36cm Qty/CTN: 2PCS/CTN Packing: Color box or BMC Net weight: 15.38 Kg.