The Metro Moulded Parts SM 43-G Sheet Metal Grommet offers superior engineering designed to meet your automotive needs with precision. Perfectly crafted, this grommet features an outer diameter of 9/16", an inner diameter of 5/16", and fits a 1/2" hole with a groove width of 1/8". Made with cutting-edge rubber compounds, this grommet is resistant to chemicals, sunlight, and ozone, ensuring it withstands tough environments over time. Exceptional performance meets reliability in this product, making it a perfect replacement part or upgrade for your classic car or modern vehicle restoration. Its smooth, rounded edges provide a snug, seamless fit, reducing the risk of abrasions or wiring damage and ensuring durability and stability in its application. Whether you call it a sheet metal plug, wire port protector, or rubber hole plug, this grommet ensures secure and long-lasting installation with simplicity in mind. Designed for fitment precision and built using state-of-the-art material technology, it stays flexible and highly durable under varying conditions. With Metro s industry-leading expertise backing it, this grommet is ideal for keeping your vehicle looking great while maintaining peak performance. Its sleek black finish not only adds a professional touch but also enhances its resistance to cracking and wear, making it a product you can trust. Metro s SM 43-G grommet is built to last and trusted by automotive professionals and restoration enthusiasts alike. Backed with a remarkable 30-year platinum warranty, it is not just a part but an investment in reliability and peace of mind. If your Metro part ever fails during this time, it will be replaced free of charge no questions asked. Don t wait to enhance your vehicle s integrity and protection. Invest in the Metro SM 43-G Sheet Metal Grommet today and experience industry-leading quality and performance built to stand the test of time!