Durable, reliable and accurate mechanism|Fast scale adjustment reducing the effort required to adjust |TIMESTRIP visual indication that the wrench is due for re-calibration and has 3, 6, 9 and 12-month graduations |Large dual scale in N·m/ft.lb |Range covering from 10 and 400 N·m/7.5 - 300 ft.lb torque values |Can be used clockwise or anticlockwise by pushing across the square drive of the ratchet head |Accurate to ±3% of reading which exceeds the requirements of ISO6789-1:2017 |Clicking system triggers a tactile and audible signal |Push-through ratchet heads from 3/8" to 3/4" square drives allowing CW and ACW operations |Handle centre or calibration force point marked on handle |Lock/unlock knob with blue ring inside to warn the operator the wrench is unlocked |In a semi-transparent square tube with eurohole hanger |All wrenches come with a factory calibration certificate according to ISO 6789-2:2017 |Made in the UK