Discover the precision-crafted SM 18-SET, a top-tier offering from Metro Moulded Parts. Measuring 1-1/8" O.D. and 5/8" I.D., this sheet metal grommet is designed to fit a 7/8" hole and comes in a convenient 5-piece set. Commonly known as durable rubber grommets or sealing washers, this set boasts exceptional chemical and sunlight resistance, thanks to its state-of-the-art rubber compounds. Perfect for those in need of high-quality replacements that stand up to the challenges of environmental exposure. With its robust assembly, insertion is straightforward just align to your predrilled hole and press firmly for a snug fit. This ensures a seamless and lasting seal for delightful peace of mind. Its sleek profile aligns effortlessly with any style, enhancing both function and aesthetics in one easy choice. Feel confident with Metro's leading 30-year platinum warranty a simple "No Hassle" guarantee that promises free replacement if needed. Elevate your projects; choose durability, choose SM 18-SET today!