Check the listing for details. Metal O Rings (1/2" ID 0.08" Thick Black) (30 Pcs) Round Ring. Condition: New. Listed at 16.32 USD. Multi-purpose O-rings are suitable for DIY craft projects, hardware bags, backpacks, wallets, belts, handbag straps, camping, luggage straps, dog leashes, dog collars, keychains, necklaces, beaded products, leather crafts, clothing accessories, plant hanging baskets, etc.SpecificationColor: Black; Material: Zinc Alloy; Diameter: 13 x 17 mm / 1/2" x 0.67" (ID*OD); Wire Diameter: 2 mm / 0.08"; Package: 30 Pcs x Metal O RingsAdvantage:These metal rings are made of zinc alloy, polished, electroplated, and sealed with oil. They feature seamless welding, a glossy, burr-free surface, and are resistant to fading, rust, breakage, and deformation, making them sturdy and durable.Instruction: Lightweight and practical, various sizes easily meet your DIY craft project needs.NOTE: Please check the size before choosing our product.