This ProLine 7690 Ball Valve-Packing Gland is a high-quality product that is designed to withstand a pressure of up to 600 PSI. The valve is made of brass and has a full port design, which makes it ideal for use in various plumbing and industrial applications. The pack contains 10 units of the valve, making it a great choice for those who need to purchase in bulk. The ProLine brand is known for its durable and reliable products, and this valve is no exception. It is easy to install and use, and is ideal for those who need a reliable valve for their plumbing or industrial needs. Whether you are a professional plumber or just need a high-quality valve for your home or industrial projects, this ProLine 7690 Ball Valve-Packing Gland is the perfect choice.