Accuracy: ± 4%. Clear reading of the set torque. Durability of the mechanism 25,000 cycles. Dual scale in N.m and Ft.Lbs allowing applications with different units. Torque setting is twice as fast due to new mechanism. Reduced risk of misreading. 72 teeth ratchet (5° recovery), use with sockets Sensitive and acoustic triggering when torque is reached. Automatic reset. Numbered and supplied with ISO 6789 declaration of conformity. Delivered in a plastic protection tube.