Use: · Controlled screw tightening in the most common range of 20 - 300 N·m / 15 - 220 lbf·ft (guide for screws M7-10.9 to M24-8.8, M30-5.6) · Adjustable, releasing and sturdy tubular torque wrench with integrated ratchet and with square drive for industry and the trades Features: · Classified to DIN EN ISO 6789:2017 Type II Class A, with a factory certificate. Working accuracy: +/- 3 % tolerance of scale set torque. The specification of the standard (+/- 4 %) is exceeded. · For controlled clockwise tightening · With 1/2 reversible ratchet · Sturdy, varnished tubular steel construction, with zinc-plated ratchet head and top-grade plastic parts · Ergonomically shaped plastic grip with calibration aid · Change-over between N·m main scale and lbf·ft ancillary scale to avoid reading errors when setting the torque wanted · With micrometre scale for main N·m 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