The GR 1.3389 1 3/8-18 CL3A GO is a precision gauge designed for checking the thread profile of 1 3/8-18 UNF threads. Manufactured by Field Tool Supply, this gauge ensures compliance with industry standards, providing reliable measurements for quality control in manufacturing processes. Its durable construction guarantees longevity, while the compact size allows for easy handling and storage. Ideal for use in various applications, including automotive and industrial settings, this gauge is essential for maintaining thread integrity.
