Accurate to +4% of torque reading in both directions at 20% to 100% of full scale. Industrial all steel or aluminum torque transfer components. High alloy torsion drive design - accuracy not effected by hand position. Dual scale (English/Metric) with clockwise and counterclockwise operation. Memory needles are standard on all wrenches except electric light models. Easy-to-read high contrast scale. 200-1000 ft-lbs, 28/140 mkg. Includes blow molded case and (1) extension. 22.2lbs.