PRODUCT APPLICATIONMetal rings are widely used and can be used as key rings, pet leashes, dog collar tags, wallet charm, handbags, shoulder bags, straps, sports belts, keychain clips outdoor bag buckles, etc, which can be DIY and applied to any crafts or decorations you want to hang.PRODUCT DETAILS Type: Metal Spring O Rings Color: Gray Material: Zinc Alloy Inner Diameter: 1 inch/25mm Outer Diameter: 1.3 inch/33mm Wire Diameter: 0.15 inch/3.8mm Package Includes: 12 pcs x Spring Round Rings BucklesPRODUCT ADVANTAGES1. The keyrings snap hook buckle is made of zinc alloy with excellent anti-oxidation and corrosion resistance. It is lightweight, strong, and sturdy, and has a baking paint coating on the outside to increase durability. So you can use it with confidence.2. The Purse snap clip inner spring clip design is easy to open and close, quick to connect and release, easily connect and expand your purse and backpack, and convenient to use and carry.ATTENTIONAlthough these metal trigger buckle ring clips are very strong, please do not connect them to heavy objects or subject them to severe friction to avoid damage.