The GR 0.4500 1/2-13 CL3A GO gauge from Field Tool Supply is essential for ensuring the accuracy of threaded components. Designed for 1/2-13 UNC threads, this gauge is precision-engineered to meet stringent industry standards. Its robust construction allows for repeated use without wear, making it a reliable choice for quality control in manufacturing. The gauge is compliant with ANSI standards, ensuring compatibility with a wide range of applications. Ideal for machinists and quality inspectors, this tool guarantees that your threads meet the required specifications for optimal performance.