AYAMAYA 30KN / 3000Kg Aluminum Locking Climbing Carabiner D Shape Auto-Locking Carabiner Hook Twist Lock Carabiner Outdoor Sport Tools Auto-Locking Carabiners have two-stage locks that are easy to operate with one hand. All you do is twist the gate to open. Release the gate and it automatically closes and locks. Allowing for single hand operations while working in mission critical environments High strength in a compact design; Rugged forged alloy steel construction Great for outdoor activity, camping, fishing, hiking, traveling, keychain etc CE certified. Strength: Closed - 30 kN Features an auto-locking, 1&#034; gate opening, Firm and durable Anti-skidding and safe D-shape: a perfect connect between the protector and belt. Great for outdoor activity, camping, fishing, hiking, traveling, keychain etc Application:exploring, rappelling, rescue, engineering protection, aerial work Material: Hot wrought aluminum magnesium alloy Certification system: CE Maximum tension: 30KN (3000kg*g) Dimensions (L x W): Approx. 2.95*4.4 Inch Scope: high-altitude operations, rescue, adventure, rappelling D-shape: Make it easy to connect. Can make the connected harness and protective tools fixed on the force position of the major axis. Unique Groove Design: The carabiner has a special designed groove on the bottom, which can effectively prevents connecting component from moving. Make it more safe and stable while climbing. Quick Lock Instantly lock and one hand to open, 2 Way locking, a simple twist the barrel and push against the spring load will open, Automatic re-locking when you release the pressure. The gates require you to manually screw the sleeve onto the gate to lock it. They have fewer moving parts than spring-loaded mechanisms, are less prone to malfunctioning due to contamination or component fatigue, easier to employ one-handed. The Screw Thread over the gate is speacial designed to be Anti-Skid. Make it more smoothly to lock. The carabiner has a threaded sleeve over the gate.The gate can be locked in the closed position to provide extra protection against accidental gate openings. Our self locking carabiner is made from Aluminum 7075, which is a manufacturing material for aircraft, very strong, It is only 3 OZ, about 4.5 in, but it&#039;s closed gate strength is 30KN(6613lbs) and it is twistlock which can auto lock in order to not forget to lock by your hand. Carabiners can be used to connect parts of an anchor system like your ropes or harness, or to hang bags,shoes or other gear. It is great for outdoor activity, camping, fishing,hiking, traveling, keychain,fall protection system,anchor setting,rappel, climbing,rescue etc.