Product features

  • reversible ratchet head
  • Torque appllication: one-way, but always apply in direction specified on torque wrench handle
  • ratchet operates in clockwise and anti-clockwise directions
  • for tightening on right hand threaded bolts and nuts
  • unmistakable signal when set torque is reached
  • Default value for the recalibration interval is 12 month of use, or approximately 5.000 cycles!
  • made according to standard ISO 6789
  • dual scaled, Nm and Kgm


  • Do not use torque wrench for untightening!
  • Torque tightens only in the direction showed on the key sticker! Sticker shows the proper direction of tightening!
  • The default calibration interval of the torque wrench is 12 months or 5.000 measurements from the date of end user purchase.
  • ALWAYS set the measuring mechanism to starting point, at the end of work.
  • When the requested torque is reached, please do not tight any more.
  • Torque wrench can be damaged, if manual instructions are not considered.
CodeSign SQ 4-point profileTorque in NmLenghtweight
6154851/4"2 - 24270686
6154863/8"5 - 1103601100
6154871/2"28 - 2104651680
6154881/2"35 - 3506402930
6154893/4"70 - 5608405600
6154903/4"140 - 70010708200
6154911"140 - 98012208800
* Images of products are symbolic. All dimensions are in mm, and weight in grams. All listed dimensions may vary in tolerance.

Usage (pictures)

Unscrew the bottom bolt, to release screw for torque adjustment.

Adjust to designated torque.

Screw back bottom bolt, to fix torque adjustment.

Adjust and start tightening (prescribed torque direction). When you hear audio signal (click), the designated torque is reached. Stop tightening.

Warning! Never loosen screw marked red. In the event of unscrewing, your warranty will be void.

Usage (Video)

Safety tips

  • Only an authorised person in a certificated service centre can perform technical maintenance.
  • Tools should always be serviced and calibrated by a certified service engineer.
  • Tool should only be used for precise tightening as specified in the instruction manual.
  • Check instruction manual on how to read the value scale on the tool properly.
  • Stop tightening after hearing a feedback from the tool.
  • Use only sockets with the same square drive.
  • Always return the value on the scale back to 0 after usage and before storing.

Safety (pictures)

Don't store a tool that is dusty and not cleaned after use.

Always check that tool has a valid certificate and always follow the calibration interval specified in the instruction manual for your tool.

When applying torque, always apply it with even and constant pressure.

The torque wrench must always be kept protected in its original packaging when not used.

Photo (pictures)

  • Accuracy in measurement

    Measuring tapes, torque wrenches with overload protection, Vernier callipers (digital as well), spirit levels, try-squares, mason’s levels and feeler gauges are excellent representatives of accurate measuring instruments, without which a successful planning and execution of work is simply impossible to imagine.
  • Test-safe use

    Measuring tools are precise and at the same time simple to use – both in general measurements with classic measuring tapes in different variants as well as in specific masonry and locksmith works, in gauging threads, etc.
  • Multiple versions

    Unior precision tools are available in classic variants and state-of the- art digital versions with added timers and other features. All tools are designed and manufactured in accordance with the current international standards.