Wide application: these black key rings are suitable for organizing your house keys, car keys, hang cards, making arts and crafts project and so onOU1507:Wide application: these gun black key rings are suitable for organizing your house keys, car keys, hang cards, making arts and crafts project and so onOU1508:Wide application: these glod key rings are suitable for organizing your house keys, car keys, hang cards, making arts and crafts project and so on. Good connecting accessory: the round flat split ring is good for connecting clasps, charms, links and other ornaments; Easy and convenient to carry. Flat key rings: the metal key ring is flat and keep securely closed, providing strong fastening and no need to worry about your keys falling apart. Sturdy and durable: these metal split ring are made of iron and plating on the surface, sturdy, lightweight and durable, won't rust easily. Round key chain rings set: 3 different sizes, 3/ 4 inch, 1 inch and 1.25 inch (20 mm, 25 mm and 32 mm) in diameter, 10 pieces each size, 30 pieces in total, meet your diversified needs.Number of Pieces: 30. Item Weight: 75 Grams. Brand: Outus. Color: Black. Material: Iron. Date First Available: February 22, 2017. Manufacturer: Outus. Department: Mens. Item Weight: 2.65 ounces. Is Discontinued By Manufacturer: No. Best Sellers Rank: #6,048 in Arts, Crafts & Sewing. Customer Reviews: 4.5 4.5 out of 5 stars 1,787 ratings 4.5 out of 5 stars. : B07RQZDGQ9. Item model number: Outus-Key Chain Rings-01. Product Dimensions: 1.97 x 1.97 x 1.97 inches.