MULTIFUNCTIONAL: This type of carabiner can be used for backpacking, hanging water bottles and keychains, connecting tents and ropes, perfect for outdoor activities such as hiking, camping, fishing, and traveling. SAFETY DESIGN: With the D-shaped, quick, spring-loaded gate design, the screws can lock the sturdy carabiner to prevent bags, water bottles, keychains, and other items from falling. CONVENIENT TO USE: This compact and convenient locking carabiner makes it easy to attach items and you can use it with one hand. Can also be used as a carabiner keychain. SMALL CARABINERS ARE LIGHTWEIGHT AND STRONG: The carabiners are made of ultra-strong, lightweight aircraft aluminum alloy and can hold up to 45 kg. Suitable for use on dog and cat leashes and gadgets as hooks. Color: Black Material: Aluminum alloy Size: 7.7x4.1cm Package contents: 5pcs carabiners Note: All data is measured manually. Please allow 1-3 cm error. Due to the difference between light and display, there will be a certain color difference, which depends on the actual received object.