The GP 0.1661 10-24 CL3B NG from Field Tool Supply is a precision gauge pin designed for accurate measurement and alignment in machining applications. With a diameter of 0.1661" and 10-24 threads, this gauge pin is essential for ensuring precise fits in various components. Made from high-quality materials, it offers durability and resistance to wear, making it suitable for repeated use. The CL3B tolerance rating ensures a reliable fit, crucial for professional machining tasks. This gauge pin is compatible with standard measurement systems, making it a versatile tool for engineers and machinists.