Controlled screw tightening in the most common range of 80-400 NM /60-300 lbf·ft (guide for screws M7-10.9 to M24-8.8, M30-5.6) Adjustable, releasing and sturdy tubular torque wrench with spigot end for industry and the trades Classified to DIN EN ISO 6789:2003 Type II Class A, with a factory certificate allowing for operations to be traced back, Calibrated to a permitted +/- 3% deviation and better, The specifications of the standard (+/- 4%) are exceeded. For controlled bi-directional tightening Sturdy, satin chrome-plated tubular steel construction, with phosphated spigot end (16mm) and high-grade plastic parts Ergonomically shaped, 2-component plastic grip with calibration aid Change-over between NM main scale and lbf·ft ancillary scale to avoid reading errors when setting the torque wanted. with micrometer 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 socket key, not included Secured adjusting/setting system Factory depth gauge: 32mm (16mm) Operation only with end fittings with standardized depth gauge - otherwise inaccuracies may arise. Depending on the application, access is possible from the front (e.g. open-end fitting) or side (e.g. reversible ratchet and socket) Patent applied.