Self-Piercing Rolled Rim Grommets with Spur Washer #1 Nickel-Plated Brass 3/8" 250 pack combine heavy gauge brass strength and corrosion resistance in a two-piece set designed to pierce material and set securely in one step without pre-punched holes. Featuring a rolled rim with a smooth inside edge, these nickel-plated brass grommets reduce friction for durable fastening on banners, canvas, tarps, and fabric applications. Compatible with hand, manual, and pneumatic grommet press tools, they offer a reliable solution for both indoor and outdoor use in industrial, marine, and patio projects. The included spur washer enhances grip and stability, making this 250 pack ideal for secure installation and long-lasting performance.