Upgrade your outdoor projects with the DOT Grommet with Tooth Washer #4, a reliable choice for strong, lasting hole reinforcement. Made from nickel-plated brass, these grommets resist abrasion and corrosion, making them ideal for marine, outdoor, upholstery, and awning uses. The tooth washer features interlocking teeth for a high-grip hold, ensuring secure attachment in demanding environments. Each set includes 1 gross (144 grommets and 144 washers) for plenty of applications on canvas, vinyl, banners, tarps, tents, privacy curtains, luggage, and industrial covers. With a 1/2 inch inner diameter (size #4), these sheet metal grommets are compatible with standard setting tools and meet NASM16491, MS2030, and Type II Class 1 specifications. Perfect for anyone looking to add durability and security to their outdoor living and decor projects.