Are you looking for spring o-ring buckle? This item is a good choice. This is a spring clasp with round shape, great for you. This spring o-ring buckle is a great choice for many kinds of DIY projects and key rings making. It is made of good and sturdy alloy material, durable to use. Features - ColorAssorted Color -Material:Alloy - Size: 2.80X2.80X0.30cm/1.10X1.10X0.12in - These circular clips can be used for key chains, dog leashes, bags, exercise straps, and lanyards, and can be used to extend the leash on your tote, shoulder bag or crossbody bag. - This round carabiner is made of alloy which is resistant to rust, corrosion and tarnishing. - This round keychain clip is safe and durable, which just requires minimal maintenance. - The open jump ring is hypoallergenic, and is able to endure of wear and tear. - This keychain clasp is widely applied in jewelry making, cloth, gifts, bags, hats, and shoes, etc. Package list: 75 x Spring O-rings