Upgrade your outdoor projects with the DOT Sheet Metal Grommet with Neck Washer #4, a reliable choice for hole reinforcement in fabric and sheet metal applications. This heavy-duty brass grommet features a government black finish and a neck washer for added strength, making it ideal for both indoor and outdoor use. Designed for a 1/2 inch hole, it's the industry standard size #4 and comes in a 1 gross pack for convenience. The durable brass construction ensures long-lasting performance, while the neck washer provides extra support for thicker materials. Suitable for automated or manual installation, this sheet metal grommet with washer is a practical solution for anyone looking to reinforce holes in banners, tarps, or patio decor.