1/2-Inch Drive Click Torque Wrench - 6PCS SET (10-150 ft.-lb. / 13.6-203.5 Nm)- By Kauplus The torque wrench emits a click that can be heard and felt when the preset value is reached Set contains: each of 17mm, 19mm, 21mm socket, 1/2" x 5" extension bar, Reducer 1/2" to 3/8" Reversible 24-tooth ratchet head drives in both directions and measures torque in clockwise direction (Meets ISO 6789 with torque accuracy of ± 4%) Locking feature offer a dependable accurate way to tighten fasteners in automotive/industrial applications Durable alloy steel construction with no-slip hand grip for comfort and quick adjustment