Description: 10 Pieces brass round split key chain rings, keep securely closed and provide strong fastening Lightweight, strong, sturdy, durable and portable Easy and convenient to use and carry Good for connecting clasps, charms, links and other ornaments Wide multiple applications: suitable for organizing your house keys, car keys, hang cards, making arts and crafts DIY project and so on Specification: Material: Brass Color: Gold Quantity: 10 Pieces Size Chart: Size 1 Outer Diameter: Approx. 35 mm/1.38 inch Inner Diameter: Approx. 30 mm/1.18 inch Size 2 Outer Diameter: Approx. 32 mm/1.26 inch Inner Diameter: Approx. 27 mm/1.06 inch Size 3 Outer Diameter: Approx. 30 mm/1.18 inch Inner Diameter: Approx. 25 mm/0.98 inch Size 4 Outer Diameter: Approx. 28 mm/1.1 inch Inner Diameter: Approx. 24 mm/0.94 inch Size 5 Outer Diameter: Approx. 25 mm/0.98 inch Inner Diameter: Approx. 22 mm/0.87 inch Size 6 Outer Diameter: Approx. 20 mm/0.79 inch Inner Diameter: Approx. 17 mm/0.67 inch Size 7 Outer Diameter: Approx. 15 mm/0.59 inch Inner Diameter: Approx. 12 mm/0.47 inch Size 8 Outer Diameter: Approx. 12 mm/0.47inch Inner Diameter: Approx. 9 mm/0.35 inch Package Includes: 10 Pieces Split Key Chain Rings