These classic #3 (7/16") self-piercing brass eyelets provide unmatched reliability and a time-honored look. Manufactured entirely from premium heavy-gauge brass (70% copper), they are inherently corrosion-resistant and engineered for outstanding pliability and resilience in all indoor and outdoor settings. Whether used for heavy bags, clothing reinforcements, or commercial-grade shower curtains, these 7/16-inch fasteners guarantee a secure, permanent attachment. The self-piercing feature facilitates rapid application: simply cut and secure the heavy-gauge eyelets with the gripping washer in a single action, accelerating your assembly process while ensuring industrial-grade sturdiness.