Saltus torque multipliers DMV multiply exactly the torque value set on a torque wrench. Overload on the gear should be avoided by choosing a torque wrench with a suitable range. Torque out: max. 1300 Nm, Gear ratio: 5:1, Input drive: 1/2'' square Diameter: 108 mm, Heading length: 126 mm, Accuracy: +/- 4%, Weight: 5100 , Completely in a box catalogue part no.: DMV-1