Over 100,000 cycles within accuracy Range covering from 4 to 20 N·m/40 - 180 in.lb torque values Can only be used clockwise Accurate to ±3% of reading which exceeds the requirements of ISO6789-1:2017 Clicking system triggers a tactile and audible signal Reversible round ratchet head in 1/4" square drive allowing CW operation only In a semi-transparent square tube with eurohole hanger On request preset wrenches can be set and certified with a declaration of conformity ISO 6789 Made in the UK