The Proto® Gauge Compression 2/Side tool is designed for precise measurement of engine compression. This high-quality gauge features dual-sided readings for enhanced accuracy, making it ideal for diagnosing engine performance issues. Constructed from durable materials, it ensures longevity and reliability in various automotive applications. The gauge is compatible with a wide range of vehicles, providing versatility for mechanics and DIY enthusiasts alike. With easy-to-read markings and a user-friendly design, this compression gauge is essential for maintaining optimal engine function and performance.