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 Controlled screw tightening in the most common range of 20 - 400 N·m / 15 - 300 lbf·ft (guide for screws M7-10.9 to M20-6.9) 
 Adjustable, releasing and sturdy tubular torque wrench with rectangular cavity for industry and the trades Features: 
 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 chrome-plated rectangular cavity (9x12 mm or 14x18mm) and high-grade plastic parts 
 Ergonomically shaped, 2-component 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 
 Fast adjustment provision 
 Secured adjusting/setting system 
 Factory depth gauge: 17.5 mm (9x12) or 25 mm (14x18) 
 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). 
 Patent applied