The GR 0.0519 0-80 CL3A GO from Field Tool Supply is a precision gage designed for checking the fit of threaded components. This gage features a 0.0519" diameter and is specifically calibrated for 0-80 threads, making it essential for quality control in manufacturing and machining. Constructed from high-grade materials, it ensures durability and long-lasting performance. The CL3A classification signifies a high level of accuracy, making it suitable for critical applications where precise measurements are required. This gage is an indispensable tool for professionals seeking to maintain high standards in their work, ensuring that threaded parts meet specifications.