Stanley Proto J6133F 3/4-Inch Drive Dial Torque Wrench, 120-600-Feet Pound 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  fewer wrenches needed to complete job Memory needles are standard on all wrenches except electric light models