Micrometer Adjustable Clicker Torque Wrench. 1/2" drive torque wrench. 20 - 150 ft. lb. range (33.9 - 210.10 Nm) in 1 ft. lb. increments. Color coded English and metric markings. Reversible ratchet head for use with left or right handed fasteners. Positive locking mechanism automatically locks in the selected reading to prevent accidental change. Accuracy: to the right, up to +4% at 20 - 100% of scale; to the left, up to +6% at 20 - 100% of scale; up to +2 increments at 0 - 20% of scale. 20.80" long. Blow-molded storage case. Made in U.S.A. One Year Warranty.