Use: Controlled screw tightening in the range of 250 - 850 Nm / 185 - 630 lbfB7ft, Adjustable, releasing and sturdy tubular torque wrench with spigot end for industry and the trades, Features: Classified according to DIN EN ISO 6789-2:2017 Type II Class A, incl. traceable test certificate, calibrated to a maximum permissible deviation of +/- 3 % and thus more precise than the +/- 4 % required by the standard, For controlled bi-directional tightening, Sturdy, varnished tubular steel construction, with phosphated spigot end (C 16 mm or C 22 mm) and high-grade plastic parts, Ergonomically shaped plastic handgrip with calibration aid, Change-over between Nm main scale and lbfB7ft ancillary scale to avoid reading errors when setting the torque wante, With micrometre scale for main Nm scale for setting interim values, Release system triggers a tactile and audible signal, Ergonomic system for torque adjustment with reference symbol, Provision for rapid setting with hexagon allen key, not included, Secured adjusting/setting system, Working caliber gauge: 56 mm (C 22 mm), Operation only with end fittings with standardised depth gauges, otherwise inaccuracies can arise, Depending on the application, access is possible from the front (e.g. open-end fitting) or side (e.g. reversible ratchet and socket).