Rugged die cast aluminum housing. Twin hammer impact mechanism. Features a forward/reverse regulator. Adjustable air/torque power control. Tidily Presented in blow moulded case. A must tool for general garage, workshop and DIY use. Includes both UK and European 1/4" quick connectors. Specifications: Item Name: 1/2 Inch Air Impact Wrench Square Drive Size: 1/2" Max Torque: 600Nm (442ft.lbs) Max Bolt Capacity: 18mm Free Speed: 8000rpm Hammer Mechanism: Twin Hammer Air Inlet Size: 1/4"PT Air Hose Inner Diameter: 10mm Air Pressure: 6-8kg/cm2 Air Comsumption: 7.5L/S Anvil Length: 1" 10 Impact Sockets: 9, 10, 11, 13, 14, 17, 19, 22, 24 &27mm. Wrench Net Weight: 2.6kg Package Including: 1 x 1/2" Drive Air Impact Wrench 10 x Impact Sockets 1 x 5" Drive Extension Bar 1 x Oil Pot 1 x Hex Wrench 2 x 1/4" Air Inlet Quick Connector (UK + EU) 1 x Plastic Case