The 1" x 4-1/2" Extra Heavy Black Nipple from Service Metal Products is a robust solution for connecting pipes in various applications. Made from high-quality black steel, this nipple is designed for durability and strength. With a length of 4-1/2 inches and a standard diameter of 1 inch, it is perfect for use in plumbing and industrial systems. The extra heavy construction ensures it can withstand high pressures and harsh conditions. This nipple features threaded ends for easy installation and compatibility with other black steel fittings, meeting industry standards for quality.