The 3/8" x 4-1/2" Black Iron Nipple by Braxton Harris is a durable and versatile plumbing fitting designed for various applications. Made from high-quality black iron, this nipple offers excellent strength and resistance to corrosion. Its 3/8" diameter and 4-1/2" length make it suitable for connecting pipes in water supply systems, gas lines, and more. This nipple is compliant with industry standards, ensuring reliability and safety in your plumbing projects. Ideal for both DIY enthusiasts and professional plumbers, it provides a secure and lasting connection.