Robust torque wrench with square drive and integrated ratchet-head function for controlled bi-directional tightening. Adjustable, releasing and sturdy tubular torque wrench with integrated ratchet and with square drive for industry and the trades Classified to DIN EN ISO 6789: 2003 Type II Class A, with a factory certificate. Working accuracy: +/- 3 % tolerance of scale set torque. The specification of the standard (+/- 4 %) is exceeded. Sturdy, varnished tubular steel construction, with zinc-plated ratchet head and top-grade plastic parts Ergonomically shaped, convenient black plastic handgrip with calibration aid. ??? Dual scale N??m and lbf??ft below a window with a magnifying-glass effect.