The Durapac TW Series square drive hydraulic torque wrenches are compact, easy to use and versatile. The titanium-aluminium alloy and super high strength steel alloy construction means increased strength and durability while minimising weight. TW-Series torque wrenches are available in 3/4″ to 2 1/2″ square drive models, with a torque range from 112 to 72000 Newton Metres. (83 to 53000 ft/lbs) All models are fitted with a 360-degree swivel coupler and unique locking screw couplings.