crafted from quality metal alloy, these brazing rods boast a mix of 15% silver, 5% phosphorus, and 80% copper; This composition ensures excellent and tensile strength, making the silver solder ideal for creating seals in demanding environments designed to withstand substantial heat, these welding rods offer a solidus temperature of 1190°F and a liquid of 1480°F; This makes them the perfect solder stick for applications requiring high-temperature resilience, ensuring performance in intense conditions built for the HVAC tools , these silver solder sticks are indispensable for professionals in the air conditioning, refrigeration, and electrical industries; Their exceptional properties make them suitable for brazing copper and brass components efficiently these silver nitrate sticks are your go-to solution for versatile brazing tasks; With 20 copper brazing rods, each measuring about 19.69 inches, they fit perfectly into any toolkit, offering a reliable option for professionals and DIY enthusiasts dealing with copper and brass connections specifically engineered for cases with minimal gaps, these copper brazing rods that molten metal flows effortlessly into narrow spaces; Ideal for tasks, they are the preferred choice for anyone for impeccable results in small joint areas, Weight: 0.37699046802 pounds, Manufacturer: Prterver