The SM 25 by Metro Moulded Parts, widely recognized as a Sheet Metal Grommet or Chemical Resistant Grommet, features a 1-1/4" inner diameter designed to fit a 1-5/8" hole. Crafted for durability against sunlight and ozone, this state-of-the-art grommet complements any automotive assembly flawlessly. With its smoothly contoured edges and robust rubber construction, it fits securely without any fuss. Its sunlight-resistant feature makes it ideal for various environments, ensuring less wear and tear over time. Simple installation means you can enhance your vehicle s resilience or repair holes easily. Trust in its robust functionality and longevity, and secure your SM 25 grommet today our 30-year platinum warranty ensures it's a purchase you won't regret, covered by Metro's "No Hassle" guarantee for ultimate peace of mind.