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The unique locking gate of the Black Diamond Magnetron Rocklock Carabiner uses magnets to provide a positive lock once shut. With magnetized arms that are easily manipulated with one-hand, they utilize a steel insert to provide attraction. When not attached to the keyway, the magnetic fields hold the arms open to provide fluid movement.
The big pear shape of the Magnetron Rocklock Carabiner lends itself to belay and rappel work. The square hinge end holds a belay loop securely, and was designed for compatibility with a Munter Hitch so no additional hardware is necessary. The keylock design resists snags so you don't have a hang-up on a sling or anchor.
Magnetic arms and a steel insert on the keyway provide an automatic lock
Opposing magnetic fields hold the lock open until it engages the keyway