1/2\" Square Drive Precision Torque Wrench made from expert quality materials and supplied in a blow mould case With the Draper 58139, torque values are easily viewed via a window in the handle. This 1/2\" square drive torque wrench has a range of 50 - 180Nm, an accuracy of ±4% and is 520mm in length. It has a reversible ratchet head and locking preset action. It is of expert quality and comes complete with a full instruction manual and calibration certificate. Features: Reversible ratchet head and locking preset action Torque values are viewed via a window in the handle Range 50 - 180Nm, accuracy ±4% Overall length 520mm Full instruction manual and calibration certificate included Clockwise right-hand thread torque application only Supplied in a blow mould case Specification: Length: 520mm Drive: 1/2\" square Accuracy: ±4% Range: 50 - 180Nm