The 1-1/4" ID, 2" OD Basin Mack Washer from Braxton Harris is designed for optimal sealing in various plumbing applications. Made from high-quality materials, this washer provides excellent durability and resistance to wear. Its dimensions ensure a snug fit in standard basins, preventing leaks and ensuring efficient operation. Ideal for use in sinks, tubs, and other fixtures, this washer meets industry standards for quality and reliability. A must-have for any plumbing project, it guarantees a secure seal for long-lasting performance.