This versatile O-Ring is an essential component for a wide range of plumbing applications, ensuring a tight and reliable seal. Crafted from durable rubber, it measures 9/16 inches by 11/16 inches with a thickness of 1/16 inches, making it perfect for various fitting sizes. Sold in a convenient pack of 20, these O-Rings provide a cost-effective solution for maintenance and repair tasks, keeping your systems leak-free and efficient.