Stanley Proto J6169F 1/4-Inch Drive Dial Torque Wrench, 15-75-Inch Pound 6-30 in-lbs. thru 120-600 in-lbs./7-35 cm kg thru 140-700 cm kg 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