The 1/2" x 3-1/2" Black Nipple from BOSHART INDUSTRIES INC is a durable plumbing fitting designed for reliable connections in various applications. Made from high-quality black steel, this nipple is ideal for use in water, gas, and oil lines. With a standard 1/2" diameter and a length of 3-1/2", it provides a robust solution for joining pipes. This product meets industry standards for safety and performance, ensuring compatibility with a wide range of systems. Whether for residential or commercial use, this nipple is a dependable choice for your plumbing needs.