- Durable Anti-rust Material, Zinc-galvanized steel Carabiner, durable and corrosion resistance - SAFETY AND EASY TO USE: D-nuts buckle design and screw gate lock mechanism make it safe. It features a spring loaded gate which allows them to be quickly and securely attached to a wide range of fixing points. It works smoothly as the spring-loaded gate makes it easy to attach important items to a pack or belt, etc. - PRACTICAL AND WIDE FUNCTIONALITY: This carabiner is ideal for daily life, attached to the backpack, handbag, or use as a keyring, and it also can be used for outdoor activities, such as camping, fishing, hiking, traveling etc. - NOTICE: Not for mountaineering, rock climbing, ice climbing and high-altitude games for your safety