The T&S Brass 002954-45M features durable brass lock nuts designed for secure fittings in plumbing applications. Each case includes four lock nuts, each measuring 1/2-14NPSL, ensuring compatibility with standard plumbing fixtures. These lock nuts provide reliable performance and longevity, making them an essential component for maintaining a leak-free connection in your faucet installations. Ideal for both professional and DIY projects, they offer ease of installation and robust support for your plumbing needs.