Use: Controlled screw tightening in the range of 10 - 50 Nm / 7,5 - 37 lbfB7ft, Adjustable, releasing and sturdy tubular torque wrench with rectangular cavity for industry and the trades, Features: Classified as per DIN EN ISO 6789-2:2017 Type II Class A; adjusted to a maximum permissible +/-3% deviation and thus with a greater precision than the standard-stipulated +/-4%, Incl. traceable test certificate, For controlled bi-directional tightening, Sturdy, varnished tubular steel construction, with zinc-plated rectangular cavity (9x12 mm) and high-grade plastic parts, Ergonomically shaped, convenient black plastic handgrip with calibration aid, Dual scale Nm and lbfB7ft below a window with a magnifying-glass effect, With micrometre scale for main Nm scale for setting interim values, Release system triggers a tactile and audible signal, Ergonomic system for torque adjustment, Factory depth gauge: 17.5 mm (9x12 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).