Draper Expert Torque Wrench Coupler for 83317 Torque Wrench, 1/2" Sq. Dr.

Expert Quality, double - sided, push - through 1/2" square drive head allows the user to operate the wrench on both clockwise and anti - clockwise threads. For clockwise and anticlockwise threads easy adjustment knob allows simple setting of the micrometer type mechanism. Each torque wrench is individually tested and calibrated to the DIN - ISO 6789 standard and Supplied with a calibration certificate.