Features:Knuckle of using oil quenching process， the hook claw reached the highest level of soft hardness (maximum hardness of 39)， play the steel in extreme operating conditions reliability.Three claws alone can expand or collapse， also convenient to carryApplication:Carabiner can be used in outdoor climbing activities， outdoor wilderness survival activities， outdoor adventure activities， as well as disaster rescue and so on. Is one of the essential equipment for outdoor enthusiasts. You can also self-defense.Hand-forged hook shank ring shaped into a circle， and also used oil quenching process to make it soft steel rims both. Latest design three teeth folding carabiner， three claws one can load 300kgPackage included:1x Grappling HookUnit Type: piece