1/2 inch Dr Torque Angle Gauge.
Measures the angle of rotation after pre-torque in torque-angle application (both specific torque and angle settings are required in most late model engines).
1/2 inch male & female square drive and comes with an adjustable holding rod to hold the gauge in position during use.
360 degree scale is marked at 2 degree increments & intervals of 10 degree and 30 degree.
Easily zeroed for next application by turning the tool housing.