This versatile rubber O-Ring is an essential component for ensuring a secure and watertight seal in a variety of plumbing applications. Measuring precisely at 9/16 inch outer diameter, 7/16 inch inner diameter, and 1/16 inch thick, it is expertly crafted to fit snugly and provide long-lasting performance. Perfect for both DIY enthusiasts and professional plumbers, this O-Ring is designed to withstand the rigors of daily use, making it a reliable choice for maintaining the integrity of your plumbing systems.