What is the advantage of this kind 25kN carabiners?

What is the advantage of this kind 25kN carabiners?

【QUICK LOCK】-Seamless operation with one hand to open, two way locking, a simple twist of the barrel and push against the spring load will open, Automatic re-locking when you release the pressure

【STRONG CARABINER】-UIAA certified, Major axis strength 25kN (5,621lbs), Cross-loaded at 7kN, Hot forged construction rated for tree climbing, hiking, rappelling, rescue, locking big adult dogs, hammock, swing etc

【FOR EXPERT USE】-Designed with a deep basket to lessen fumbling, keylock nose guards against snagging, D-shaped carabiner is proved the strongest based on the same size, and it is easy to grasp

【ULTRA LIGHTWEIGHT】-The net weight is only 2.01oz/pc, minimizing your carry weight, Size 3.93" Height, 2.3" Width (widest point), 1.77" Width (narrowest point), 0.66" gate opening

【QUALITY CARABINER】-Very smooth lock and gate surface, and it allows new users not to worry about blood blisters or scratching themselves if they are not used to the carabiner; Full refund if you don’t like it, please buy without worry; Package: 3pcs