DOT Rolled Rim Grommet with Spur Washer #0 (20-007R001611XG) in Government Black Brass is designed to provide durable hole reinforcement for thicker materials such as canvas, leather, and webbing. Featuring a rolled rim construction combined with a spur washer that has interlocking teeth, it ensures a secure hold that prevents tearing or fraying under stress, tension, and movement. The corrosion-resistant black brass finish makes it suitable for both indoor and outdoor use, including marine, tents, tarps, banners, and covers. Supplied in a set of 144 pieces (1 gross), this heavy-duty grommet meets professional and commercial specifications and requires specific setting tools for installation.