3/8 x 12 Schedule 80 Seamless Black NippleThe 1 2" Close Double Extra Heavy Seamless Black Nipple is a compact, high pressure pipe fitting designed for secure and durable connections in demanding applications. Made from seamless black steel, it features double extra heavy (XXH) wall thickness, ensuring superior strength, high pressure tolerance, and resistance to extreme temperatures. With precision machined NPT male threads on both ends, this fitting provides a tight, leak proof connection,