Robust and precise mechanism with over 100,000 cycles within the display deviation. Quick setting of the desired torque using the adjustment knob at the end of the handle. Easy-to-read double scale in Nm/in.lb. Range from 3 to 25 Nm or 27 to 220 in.lb. Can only be used for clockwise tightening. Display deviation ± 3%. Audible and perceptible signal when torque is reached. Reversible ratchet head with 1/4" square drive, torque only for clockwise tightening. Marking on the center of the handle. A blue ring is visible when the adjusting knob is unlocked. Supplied in a semi-transparent plastic tube for storage and transport. Includes declaration of conformity in accordance with international standards. Tested in accordance with DIN EN ISO 6789. Manufactured in Great Britain.