The DOT Self-Piercing Rolled Rim Grommet with Spur Washer #5 is a stainless steel, 5/8 inch size 5 grommet designed to simplify installation by eliminating the need for pre-punching holes. Its rolled rim provides extra strength and a smooth finish, while the spur washer with interlocking teeth ensures a secure grip. Made for heavy-duty and industrial use, this corrosion-resistant grommet fits a variety of materials such as marine canvas, vinyl, tarps, tents, and awnings, making it ideal for enhancing patio decor and outdoor projects. It withstands harsh environments and meets strict industry and military standards, available in a convenient 1 gross pack for both manual and automated installation.