The BLACK PIPE NIPPLE 1/2" X 3-1/2" is an essential component for creating secure and durable connections in black pipe systems. Made from high-quality materials, this fitting type is specifically designed to withstand pressure and provide long-lasting performance. Ideal for a wide range of plumbing and industrial applications, it ensures a tight seal for both gas and water lines. With its standard dimensions, this nipple easily integrates into existing setups, making it a versatile choice for contractors and maintenance professionals.