For use on production lines, without setting scale, for tightening: single sided clockwise. The interchangeable inserts allow left handed tightening.The impulse can be used to control the assembly-line. Model: DC-3 Micro Input Drive: 9 x 12 mm Length: 355 mm Working range: 50 - 120 Nm Weight: 1095 g catalogue part no.: DC-3 Micro Axial