Metal 【Qty】Package included 10-piece small spring oval rings. 【 Sturdy & Durable】 Our spring rings are made of high-strength metal, not easy to fade. 【Firm Trigger Buckle】spring oval rings loaded gate lock, easy to operate and attach to a wide range of fixing points quickly and securely. 【Multi-purpose】These spring keyring buckle widely application in necklaces, bracelets, purse, key ring, luggage bag, exercise band, dog leashes, webbing and lanyard, also can be used to extend the strap on your hand bag, shoulder bag 【Exquisite Gifts】The key ring clips buckles can be taken as an ideal gift to your family, friends, or someone who likes handicrafts to make fun accessories for arts and crafts projects You will get 10Pack Black spring o ring round carabiner snap clip. Please understand that manual measurement may have ±1mm