Gedore Torque TBN, without scale, setting using torque tester, break-over mechanism 20° clockwise and anticlockwise, (types TBN 25, 65 and 135 for clockwise tightening only - switch the adapter around for anticlockwise), overtightening is not possible, repeatability ± 6% (< 10Nm), ±4% (> 10Nm) according to DIN/ISO 6789, factory test certificate included. Adapter tools NOT included.