These specialized #5 (5/8″) self-piercing brass grommets provide exceptional strength for demanding applications. Manufactured from heavy-gauge brass (70% copper, 30% zinc), the tactical Military Black Oxidized finish ensures a non-reflective, durable surface that resists corrosion, making them perfect for industrial textiles and covert canvas projects. The integrated gripping teeth washers securely hold eyelets, maximizing grip on heavy materials like tarps, tents, and banners. Achieve fast, professional installation - these heavy-gauge self-piercing eyelets cut and set in one swift motion, significantly increasing production efficiency while delivering superior long-term outdoor performance.