CE Certification - Locking carabiner clips have passed the CE EN362 standard certification, The long axis of each lock is rated breaking 22KN (4946lb), the minoraxis breaking load 7KN (1575lb), the unlocking breaking load 8KN (1800lb) Features - With spring twist design, the lock can be opened with one hand, and it will automatically close after release, suitable for the use of frequent opening/closing of the lock, avoiding the danger caused by forgetting to close. Size and Material - 4.53"x2.51"x0.3", made of aluminum alloy, CNC aircraft grade automatic processing, small error and durable, safe and stable, reliable quality. Scope of Application - It can be connected to outdoor sports such as pulley, ascenders, rock climbing rope, camping hiking, hammock hooks, and can also be used for rescue, mountaineering, etc. Precautions - Please carefully checks whether the lock is in good condition before use, the product must be used within its strength rating range.