Upgrade your outdoor projects with the DOT Self-Piercing Rolled Rim Grommet with Spur Washer #1, a reliable choice for long-lasting fabric reinforcement. This stainless steel grommet features a self-piercing design that sets securely without pre-punching in most materials, making installation quick and easy. The rolled rim adds strength, while the spur washer with interlocking teeth ensures a tight, durable hold. Each 1-gross pack includes both grommets and washers, perfect for heavy-duty applications like tarps, tents, awnings, banners, signs, luggage, and protective gear. Designed for use with hand or press setting tools, these corrosion-resistant grommets deliver reinforced hole protection and a secure grip, ideal for marine, industrial, and outdoor environments. The #1 size offers a 5/16 inch (21/64 inch hole) diameter, providing a versatile solution for a wide range of materials and uses.