The 1/4" Black Steel S/T Coupling - Merchant Steel by Milissa Dirks is a reliable fitting designed for seamless connections in piping systems. Made from high-quality black steel, this coupling offers excellent strength and durability, making it suitable for various applications, including plumbing and HVAC systems. With a standard size of 1/4", it is perfect for joining pipes of the same diameter. This coupling is ideal for both residential and industrial use, ensuring a secure and leak-proof connection. Its robust construction meets industry standards, providing confidence in high-pressure environments.