Precision measurement - This precision drive angle gauge accurately measures the torsion of 1/2 inch square drive components with external or internal threads, ensuring exact alignment for critical applications and improving workmanship. Easy to adjust - Features an adjustable arm and an even angle scale while holding the bar securely, enabling quick adjustments and keeping the gauge firmly in place during measurement. High accuracy - With a measuring range of 0 to 360 degrees, it delivers accuracy up to 2 degrees, providing reliable results for professional use. Versatile application - Available in two arm lengths for added flexibility, it fits different components and adapts to a wider range of tasks and environments. Use scenarios - Before torque or fastening tasks in automotive or machinery, verify drive angle to ensure proper seating of sockets and adapters. - During assembly or maintenance, align external or internal threaded drive attachments to guarantee correct engagement. - In fabrication or repair workflows, set and maintain a consistent angle across multiple components for repeatable results.