Sharpened Edge Grommet with Small Tooth Washer #1 Brass 5/16" 500 pack offers a solid brass, corrosion-resistant solution designed for self-piercing installation. Featuring a sharpened edge and a small tooth brass washer, this #1 grommet with a 5/16 inch inner diameter reinforces holes securely in heavy fabrics like canvas and tarps. Its durable construction provides long-lasting brass fastening, ensuring a firm grip and easy installation with standard setting tools. The pack includes 500 pieces, making it a practical choice for enhancing outdoor fabrics and patio decor without compromising strength or reliability.