Product attributes

  • robust construction gives accurate results, to +/-4%, even in arduous working conditions.
  • every wrench supplied with a calibration certificate according to ISO 9000:2000
  • the large break angle improves accuracy by reducing the possibility of over torqueing
  • Cam control of the mechanism gives a controlled break which will not throw the operator off balance
  • Torque application: both way, but always apply in direction specified on torque wrench handle
  • dual scaled, N.m and lbf.ft
  • made according to standard ISO 6789


  • agricultural equipment
  • building sector
  • heavy industry
  • larger construction machinery
  • shipbuilding industry
  • aircraft industry
  • Do not use torque wrench for untightening!


  • Tool must be used with equal pulls and in accordance with the instructions in the manual.
  • 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.


ISO 6789

More About Product


3/4” pointVideo presentationInstructions for safe use

CodeSign SQ 4-point profileTorque in NmTorque in lbf-inLenghtweight-- prazen stolpec -- 
6168013/4"150 - 700100 - 50010908500
6168023/4"200 - 800150 - 60011409000
6168033/4"300 - 1000200 - 750147011000

* Images of products are symbolic. All dimensions are in mm, and weight in grams. All listed dimensions may vary in tolerance.

Usage (pictures)

Usage (Video)

  • 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.