Feature: 1. Angle Measuring: By measuring the angle, the drive angle gauge can measure the exact torsion of 1/2in male and female square drive. 2. Easy to Adjust: The adjustable arm keeps the angle scale still, and holds the rod to ensure that the meter is in place during use. 3. High Accuracy: With 0 to 360 degrees measuring range, the angle meter also has a high accuracy up to 2 degrees, very easy to use. 4. Flexible Using: The arms are available in two lengths to provide you with additional flexibility when resting against the components. 5. Simple Cleaning: Easy to disassemble and clean, just loosen the snap ring to clean, and the good materials will simplify cleaning. Specification: Item Type: Drive Angle Gauge Material: Vanadium Steel + ABS Function: Drive Angle Gauge Colour: Black + White Dial Scale Range: 0-360° Dial Accuracy: 2° Applicable Drive: 1/2in male and female square drive. Package List: 1 x Drive Angle Gauge 1 x Torsion Wrench