DOT sheet metal grommet with plain washer #3 combines nickel-plated brass durability and corrosion resistance for reliable fabric reinforcement. Designed for a 7/16 inch hole diameter, this sheet metal grommet set includes a plain washer and comes in a convenient 1 gross pack of 144 sets. Compatible with standard setting tools, it's ideal for strengthening holes in banners, tents, upholstery, tarps, and signs, providing reinforced hole hardware that withstands outdoor conditions. This nickel finish grommet offers straightforward installation parts suitable for enhancing outdoor living and patio decor projects.