This versatile rubber O-ring is designed to ensure a secure and efficient seal for your plumbing fixtures. Measuring 5/8 inches in internal diameter and 7/8 inches in external diameter, it provides an optimal fit for various applications. With a convenient pack of 20, you can easily replace worn-out seals, maintaining the integrity of your equipment and preventing leaks. Made from durable materials, these O-rings offer reliable performance and longevity, making them an essential component for any DIY enthusiast or professional plumber.