Extremely ergonomic, compact and robust Wrench. Durable hammer impact mechanism. Exhaust through rubber-coated handle. Rotational change left / right. Tightening torque is adjustable at 2 levels. 1 year manufacturer's guarantee. Specifications: BSP .5" inlet. Air requirement 12cfm (360Ltr/min). Working pressure 89.9psi (6.3bar). Torque 365Nm (270ft/lb). Weight 2kg.