The AllPoints Foodservice Parts & Supplies 8010178 is a durable O-ring designed for fryer applications. With an outer diameter of 1-5/8 inches and an inner diameter of 1-3/8 inches, this black rubber O-ring ensures a secure seal for dead weight valves, enhancing the efficiency and safety of your fryer. Its robust construction provides resistance to heat and wear, making it an essential component for maintaining optimal fryer performance.