Angular Torque Gauge

Scale: 360-degree scale, often marked in 2-degree increments and intervals of 10 and 30 degrees. Drive Size: Typically accommodates a 1/2" male and female square drive. Features: An adjustable arm to hold the gauge stationary while the fastener is being turned. A simple design that allows you to easily "zero" the gauge for the next use. Used in conjunction with a standard torque wrench to achieve the final required tightness.