TEKTON 3/8, 1/2 Inch Drive Split Beam Torque Wrench Set, 2-PieceTRQ99903

Serialized Certificate of Calibration Each wrench is calibrated according to the ASME B107. 300-2010 standard; detailed test results are recorded on the included certificate, Set Quickly turn to the desired torque value with a smooth thumbscrew adjustment, Lock Teeth inside the cover lock the torque setting in place while you are using the wrench, Leave Because there's no internal tension when the wrench is at rest, you don't need to turn it to the lowest setting for storage, Flexible Head The flexible head has a 10-degree flex joint and offers the clearance to work around nearby obstructions.