The 3/8" x 5-1/2" Black Iron Nipple from Braxton Harris is designed for reliable plumbing connections. Made from durable black iron, this nipple is ideal for various applications, including gas and water lines. It features a standard NPT thread for easy installation and compatibility with existing systems. With a length of 5-1/2 inches, it provides flexibility in tight spaces while ensuring a secure fit. This product meets industry standards for quality and performance, making it a trusted choice for both professionals and DIY enthusiasts.