Used to gauge degree of turn when manufacturer calls for fasteners to be tightened further after torque loads are applied. If you have a late model car you may be requiring specific torque and angle measurements. Fits 1/2″ Dr tools and comes with an easy to read dial calibrated in degrees.
 
Specifications:
 
1/2″ male and female square drive.
Holding rod to make sure the gauge is in position during use.
360 degrees scale is marked in 2 degree, 10 degree and 30 degree increments.
Rotating tool housing.
Easy to read dial.
Calibrated in degrees.