Tenders for Supply of Torque Wrench 1/2 Square Drive, 60-300 Nm. Specification As Below 1 Length : 606.4 Mm 2 Actuation Accuracy +/- 3% Tolerence Of The Scale Set To Torque. 3 In Accordance With Din En Iso 6788 Tracable To National Norms 4 Interchangable Mushroom Head Square Drive With Ball Locking Mechanism As Per Din 3120 5 Adjustable Torque Wrench With A Square Drive And Integrated Ratchet Hand Function Make : Gedore / Hair / Fien.