The 3/8" x 12" Black Iron Nipple from Braxton Harris is a reliable plumbing fitting designed for various applications. Constructed from high-quality black iron, this nipple is ideal for connecting pipes in gas and water systems. Its 3/8" diameter and 12" length provide flexibility for different installations, while the threaded ends ensure a secure fit with standard NPT connections. This product meets industry standards for safety and performance, making it a trusted choice for both professional and DIY plumbing projects.