Combining maximum security and ease of use like never before, the Black Diamond Magnetron RockLock uses the power of magnets to reinvent the triple lock carabiner. Magnetron Technology uses a magnet in the carabiner&';s keylock nose and steel gate arms to create an ultra-secure, self-clearing, and redundant locking mechanism that can easily be used with either hand. Our classic RockLock shape is ideal for belaying, making anchors, or rappelling, and its keylock nose prevents snagging on slings and ropes.