Seal off copper lines with confidence using this 1-1/2" Copper Cap, engineered for long lasting performance in plumbing systems. Made from copper, this cap provides excellent corrosion resistance, reliable durability, and a clean, professional finish. Designed to fit over the end of 1-1/2" copper tubing, the cap creates a secure, soldered seal. Whether you're completing a system, preparing for future expansions, or isolating sections for maintenance, this copper cap ensures a tight, leak free closure.