Material - High-quality 15% silver brazing rods create strong, clean joints for any repair job. Perfect for HVAC Use - Great for copper and brass brazing rod applications. Tight, Leak-Proof Joints - Ensures long-lasting, reliable performance in silver solder hvac systems. Smooth - Melts evenly for quick, easy brazing and soldering. Kit - Includes 45 rods, suitable for hvac brazing rods, welding, and soldadura., Manufacturer: PokFhgur