Check the listing for details. 8pcs Spring O Rings 1 1/2" Round Trigger Metal Snap Hook Key Ring Bronze. Condition: New. Listed at 18.56 USD. The trigger spring O-ring is made from an electroplated zinc alloy, featuring hardness, rust resistance, and lightweight properties, while the electroplating further enhances corrosion resistance, surface hardness, wear resistance, and metallic luster.The spring O-ring is user-friendly and easy to install. It features a built-in spring that allows you to clamp the spring gate by hand onto any desired object. This design enables quick connection and release, making it simple to remove by hand as well. Overall, it is very convenient to use and easy to carry.O-ring clips can be used in various handmade DIY crafts, such as key rings, wallets, duffel bags, shoulder bags, dog leashes, crossbody bags, extending handbags. The round O ring features a stylish and intricate design, showcasing fine craftsmanship.