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Description

The most revolutionary belay carabiner in a decade.

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.

  • Revolutionary magnetic locking gate features two magnetized arms that repel each other when the gate is open but lock shut when they come in contact with the steel insert in the carabiner's nose
  • Gate opens by depressing the two arms with thumb and forefinger; can be operated with one hand, and design works equally well for right- and left-handers
  • Gate bisects carabiner to eliminate cross loading
  • Magnetic gate doesn't have components that can freeze shut or clog with sand
  • Large pear shape allows for a generous gate opening
  • Keylock nose helps prevent your rope from snagging
  • Hot-forged for maximum durability

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Black Diamond Magnetron GridLock

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Here's what others have to say...

Works great with a Grigri

John Ross

Member since 
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Posted on

This photo shows the proper orientation when using it with a Grigri to prevent cross-loading.
(purple nail polish is how I identify my gear)

5 5

John Langer

Member since 
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  • Gender: Male
  • Familiarity: I've used it several times

Simple, easy to use, secure, everything that a belaying carabiner should be. Excellent work, BD!

*Also* The colors of the magnetic arms for the Platinum color style carabiner can vary,as shown in previous review photos (mine came with blue arms, but I've also seen green and orange)

Great Design
5 5

Andrew Wike

Member since 
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I've been a longtime BD fan, so I was expecting something awesome when I heard about a magnetic locking biner. BD did not disappoint. This is a well thought out product that works well, even wearing ice climbing gloves. It's confidence inspiring when you hear those magnets snap closed.

4 5

Simon Hatfield

Member since 
  • Gender: Male
  • Familiarity: I've used it several times

I've used this biner a decent amount as a belay biner, primarily with a GriGri 2, and it does its job quite well. The spur totally captures the belay loop, and the magnetron locking system is reliable, quick, and easy to use.

When using this product with a GriGri, the manual recommends capturing the belay device with the spur and leaving the belay loop in the larger opening. This does result in an extra step or two when attempting to take your partner off belay, which is a tad fumbly and obnoxious. I also feel way more likely to drop my Grigri, and probably would not take this multipitching.

I recognize that these are setbacks of the Gridlock, and not the Magnetron locking system, which I like quite a bit despite its added weight.

Also obnoxious about the gridlock is the way that it hangs awkwardly from a gear loop. Blech.

All in all, the Magnetron is super nifty, and works really well, and the Gridlock has its place. This would be a great 2nd belay biner especially safe and foolproof for sport climbing, but I'll keep using a vaporlock or attache screwlock for multipitch.

Jeff Guest

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Posted on

Here is the new Gridlock Magnetron carabiner in action in my new Canyoneering video of Left fork of Leprechaun Canyon in North Wash UT! This thing works great for canyoneering and won't get frozen up by sand and mud like a screw gate does.

How it Works: Rear View

Jeff Guest

Member since 
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Posted on

When closed the magnets are in this position and all that green is blocked by that "wall" in the other picture so it can't open on you if hit hard. even if one magnet is pushed open the other magnet is still blocked by that wall. It's not going to open up on you. It is pretty bomber and I trust it.

How it Works: Front View

Jeff Guest

Member since 
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Posted on

This is the "wall" that the green magnetic part is against so it can't open on you if hit hard. even if one magnet is pushed open the other magnet is still blocked by that wall. It's not going to open up on you.