Check the listing for details. 10 Pcs Round Spring Snap Hooks, Trigger O Rings Buckle Silver. Condition: New. Listed at 21.26 USD. Multi-functional spring clasps are widely used in daily life, mainly for key chains, bags, wallets, straps, lanyards, ribbons, etc., or for DIY craft accessories to hang crafts and decorations.SpecificationColor: SilverMaterial: Zinc AlloyInner Diameter: 21 mm / 0.83 inchOuter Diameter: 28 mm / 1.1 inchLength: 37 mm / 1.46 inchPacking List: 10 pcs x Round Spring Snap HooksAdvantageThe round spring ring is made of zinc alloy material, the surface is electroplated, anti-rust, sturdy and durable, and has a long service life.The Spring clip design is easy to open and close and quick to release. The spring snap clip is lightweight and easy to carry.Instruction1. Choose the right size spring door O-ring.2. As a ring buckle, it is used for various key chains, bags, wallets, etc.