Durable mechanism with over 100,000 cycles within accuracy 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 declaration of conformity traceable to international standards ISO 6789 Made in the UK