Quality: The rotating buckle and key ring are made of high quality zinc alloy, which is durable, sturdy and durable, and has a long service life.Size: The hook is 32mm long, 1cm wide and the inside diameter of the key ring is 2.2cm. Excellent size for your DIY projects, art projects, and keychain projects.Ease of use: These rotatable closures have the maximum flexibility of 360 degrees and are easy to use. The lanyard snap hooks are a quick-locking accessory to ensure your items don't fall off.Wide Application: These lobster clasps and key rings are great choices for purses, handbags, dog collars, lanyards, key chains, and fashion jewelry making.colour: silverMaterial: metalSize: Hooks 32mm, Rings 25mmPackage Contents:30 x Swivel Snap Hooks30 x Key RingsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.