This Swagelok ball valve is made of high-quality stainless steel, ensuring durability and reliable performance. The manual valve operation makes it easy to use and maintain. This 5-pack of ball valves is perfect for those in need of valves for their plumbing or industrial needs. The brand, Swagelok, is known for their top-quality products, making this a great investment for those seeking reliable and long-lasting valves.