【UIAA Certified Heavy Duty Carabiner】This climbing carabiner is UIAA certified (Certificate No.: CHN 24-6878), boasting a strength of 27KN. With a static force capacity of up to 6069 pounds, it's a reliable and safe choice. 【D-Shaped Design】Our carabiner features a D-shaped design that provides secure handling and grip and is very convenient to use. 【Simple Operation】The easy-to-use design of our carabiner allows for simple one-handed operation; twist the barrel against the spring load to open, and release the spring load for automatic locking, providing added convenience and safety. 【Multi-Use】Our carabiner is suitable for a wide range of activities including rock climbing, hiking, camping, mountaineering, rescue, and even as a lightweight keychain for daily use. 【Heavy Duty and Lightweight】Made from durable and rustproof aircraft-grade 7075 aluminum, our carabiner is both lightweight at just 3.1 oz and incredibly strong It's the ideal companion for all your outdoor adventures.