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-3A Micro Input Drive: 14 x 18 mm Length: 425 mm Working range: 50 - 200 Nm Weight: 1345 g catalogue part no.: DC-3A Micro Axial