Experience the ultimate in leak prevention with this versatile and durable rubber O-ring. Measuring 39/64 inches in diameter and 3/8 inches in thickness, this O-ring is designed to provide a secure, watertight seal for a variety of plumbing applications. Its robust construction ensures long-lasting performance, making it an essential component for both DIY enthusiasts and professional plumbers. Whether you're repairing a faucet or undertaking a larger plumbing project, this O-ring delivers reliable results every time.