Black Diamond Magnetron GridLock

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Retailers' Descriptions

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The Black Diamond Magnetron GridLock Carabiner uses the power of magnets to reinvent the auto-locking carabiner. Magnetron Technology uses two magnetic arms in the gate and a steel insert in the carabiner's keylock nose to create an ultra-secure, self-clearing and redundant locking mechanism that can be easily used with either hand.


The reinvention of the auto-locking carabiner has arrived. The Black Diamond Magnetron GridLock Belay locking carabiner uses magnets for secure locking and unparalleled ease of use.


The Black Diamond Magnetron GridLock Carabiner blends simplicity and security into a potent package that completely changes the carabiner game. The unique GridLock shape traps the belay loop to prevent cross-loading for a trouble-free belay carabiner. Innovative gate design uses two magnetic arms in the gate and a steel insert in the nose for super-secure, interference-free closure Keylock nose prevents snagging One-hand operable Square hinge end helps hold belay loop securely in place I-Beam spine transitions into a rounded, large rope-bearing surface Unique shape isolates belay loop to eliminate cross-loading

- OMCgear

Black Diamond Magnetron Gridlock CarabinersThe Black Diamond Magnetron Gridlock Carabiners are revolutionary and a must-have addition to your climbing gear. With the trademark Magnetron technology, the gate uses two magnetic arms, with a steel insert to hold it securely. This easy-to-use system comes with auto-locking technology and the entire mechanism can be operated with just one hand in case of emergencies. The all new hot-forged construction also enables the unique gridlock shape, critically trapping the belay loop and eliminating rope interference and cross-loading. The I-Beam spine helps to provide greater tensile strength and ensures a smooth and continuous rope feed. The harness is lightweight at only 3 oz. and sturdy with an open gate strength of 1,798 lbf., making it durable and easy to carry. The Black Diamond Magnetron Gridlock Carabiner is a thing you can always depend on while mountain climbing.

- SunnySports

Featuring Black Diamond's new magnetic locking mechanism, the Magnetron GridLock carabiner brings a new level of ease and safety to belay-specific carabiners. This unique gate design doesn't freeze in the winter and doesn't clog up with sand and dirt the way a screwgate does. In addition to the one-of-a-kind gate, the Magnetron GridLock also has a separated bottom and top so as to completely eliminate the chances of cross-loading, because this is one piece of gear that absolutely cannot fail. To further ensure that its safety, Black Diamond hot-forged this carabiner to make it as tough as it can be. As a final touch, this carabiner also got a keylock nose to eliminate snags when you're taking your friend off belay.