Desired torque value is pre-selected by use of a micrometer type scale
When exact torque level is reached, wrench releases with an audible "click"
Wrench resets automatically to same torque setting
Ball bearing-mounted release mechanism eliminates accuracy variations between slow and fast loading
Color-coded English and Metric markings
Positive locking mechanism helps prevent accidental changes in torque values
Tool Type: Torque-Wrench Drive; Head Type: 1/2" Drive; Torque Rating: 25 ft-lbs to 250 ft-lbs; Material(s): Chrome Vanadium Steel.