Perfect for a variety of plumbing repairs, this durable rubber O-ring provides a reliable seal to prevent leaks in your fixtures. With an outer diameter of 9/16 inches, an inner diameter of 5/16 inches, and a thickness of 1/8 inch, it fits snugly in standard fittings. Whether you're a professional plumber or a DIY enthusiast, this essential component ensures long-lasting performance and peace of mind in your projects.