This climbing carabiner is UIAA certified.Each carabiner can easily handle up to 5395 pounds of force.The rating on the carabiner is a result based on the lab test, which might vary in practice.Twist Lock Carabiner: With the twist-lock design, offers auto-locking security and single-hand operation. It means all you have to twist the sleeve and press the gate, it will open. Once you release it, it'll simultaneously close and lock. Auto-locking carabiner decreases the possibility the user will forget to lock the gate and prevents the gate from unlocking vibrations while working.

Features:

Length: 4.37”

Width: 2.40”

Opening Gate: 0.66”.

Hot-forged, aluminum alloy carabiner is a mere 99g (3.49 oz.) in weight.