The GP 0.6656 is a high-performance 11/16-24 CL2B NG gauge from Field Tool Supply, designed for precision measurement in various industrial applications. This gauge features a sturdy construction that ensures longevity and reliability. With a thread size of 11/16-24, it meets industry standards for compatibility and performance. Ideal for mechanical assemblies, this gauge is crucial for ensuring proper fit and function. Its compact design allows for easy handling and storage, making it an essential addition to any professional toolkit.