Compatible with 1/2 PEX tubing, this annealed copper crimp ring is essential for creating secure connections in plumbing systems. It is made from lead-free copper and meets NSF and UPC standards for safety and reliability. The crimp ring is specifically designed for use with PEX fittings and requires a crimping tool for installation. This product ensures a strong and leak-free connection, making it a practical choice for your plumbing needs.