The 3/8 X 4-1/2" Standard Black Nipple from Service Metal Products is designed for connecting two female threaded pipes. This nipple is constructed from high-quality black steel, providing excellent strength and durability for various plumbing applications. With a standard size of 3/8 inch and a length of 4-1/2 inches, it is ideal for use in both residential and commercial settings. The black finish offers a sleek appearance while also providing resistance to corrosion. This nipple is compliant with industry standards, ensuring reliable performance in your piping systems.