Use: Controlled screw tightening in the range of 6 - 30 Nm / 50 - 270 lbfB7in, 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, 1/4" square drive with ball locking device as per DIN 3120 - A 6.3 ISO 1174, Automatic short-path actuation with tactile impulse and audible signal, Dual scale with a scale graduation of 1 Nm and 10 lbfB7in, Technical advantage/Function: Lightweight yet robust (as the housing is made of an aluminium alloy) and resilient, very workshop-friendly, No inaccuracies whether used with both hands or held away from the handle (as for standard torque wrenches), Both the square drive and fulcrum are on an axis which ensures a high degree of user safety; can be extended to reduce the user's working load., Extremely low wear attributable to reduced forces in a lever mechanism, Forged lever chain from our group own quality forge, Maximum precision even when subjected to extreme continuous use, Long life cycles and tool lives, Easy operation - fast and safe torque tightening, Easy adjustment thanks to attractive adjusting button secured against loss at the end of the handle