τ【Wear-resistant Material】This carabiner is made of wear-resistant aluminum alloy material, different from standard aluminum alloy carabiner; it is stronger and more durable, will not rust, durable and safe for heavy duty use. τ【Secure D-Shaped Design】D-shaped design carabiner is perfect for a fast and firm connection with the chain. The threaded end and nut are designed to provide a tight and secure connection. τ【Convenient and Compact】The compact design of each aluminum d carabiner makes it easy to carry. Maximum load of the aluminum d carabiners: 120 lbs (full lock mode). τ【Easy For Using】The -loaded carabiner can be quickly attached and locked and can be easily attached to pockets, hooks, keychains, ropes, mountaineetools, etc. τ【Wide Application】This d shaped carabiner clip is suitable for outdoor activities, camping, fishing, hiking, traveling, etc. The lock system will ensure your safety.