With the wrench head completely engaging the
fastener, and your grip centered on the groove in
the wrench handle, pull the wrench in the direction
indicated by the arrow on the wrench.
When the pre-set torque is reached, there will
be and audible and tangible “click” and for a split
second the wrench will suddenly require less force
to pull.
Continuing to pull the wrench further will add torque
over the setting