The GP 0.4050 7/16-20 BASIC GO gauge by Field Tool Supply is designed for 7/16-20 threaded applications, measuring 0.4050 inches. This gauge is essential for ensuring proper fit and function of internal threads. Made from high-quality materials, it offers excellent durability and longevity, making it a reliable tool for industrial use. The BASIC GO design allows for straightforward verification of thread dimensions, ensuring compliance with industry standards. This gauge is perfect for professionals who require precise measurements in their quality control processes.