- 30mm inner diameter and 3mm thick metal O-rings, presented in a pack of 30 units. - Made of iron with electroplating treatment, they offer an elegant gold finish and are resistant to corrosion. - Ideal for DIY, crafts, making handbags, belts, backpacks, and clothing accessories. - They work as buckles, decorative components, and functional elements in leather goods and sewing. - Their robust and secure design prevents accidental openings, providing reliability in every project. - Recommended for both domestic and professional use in sewing workshops and haberdasheries.