Torque wrench standard manoscope with fixed QR ratchet, No. 721QR/20 QUICK 40-200 N-m drive square 1/2". Lightning adjustment by easy-to-operate clamping lever in the handle. Ergonomically shaped, non-slip adjustment element with thumb recess. Integrated magnifier in the reading window. Optimized ball handle for fatigue-free working. Double stop signal. Double scale N-m/ft-lb. No resetting to "0" necessary, as measuring element is only loaded during the tightening process. Continued loading after release or loads in the opposite direction to the functional direction, e.g., with stuck screws, do not affect the release mechanism, which is thus protected against damage. Protection of all sensitive parts by the robust tubular steel housing. Calibration with perfectControl calibration device No. 7794 or calibration system No. 7706. If necessary, readjustment without dismantling. Display deviation ± 4%. With certificate.