The AllPoints Foodservice Parts & Supplies 1131105 is a durable slip joint washer designed for twist waste applications. With an outer diameter of 1-7/16 inches and an inner diameter of 1-1/8 inches, this washer is 1/4 inch thick, providing a reliable seal for efficient drainage. Made from high-quality black rubber, it ensures long-lasting performance and resistance to wear. Ideal for foodservice environments, this washer is essential for maintaining optimal plumbing functionality.