Code: WINTER20

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...

3 5

Getting used to the whole thing

  • Familiarity: I've used it once or twice and have initial impressions

I just bought this for climbing and ski mountaineering. I am still getting used to the whole concept. I think I agree with Mike below that things get a little complicated with both of the concepts together and that I could be just as happy with the GridLock in a screwgate version.

Nonetheless, this still does the job!

3 5

Screwgate version is better

  • Familiarity: I've used it several times

I love the magnetron gate and I love the gridlock, but I don't love them together. If you want a magnetron gate I'd get it on the RockLock. If you want a GridLock to avoid crossloading I'd get the screwgate version.

The screwgate gridlock isn't hard to take on and off. The trick is you clip it to your belay loop, then you give it a little tug to pull the belay loop pass the crossload-prevention piece and into place. This briefly opens the gate as the belay loop pushes past the lil nib piece, therefore you can only do this when the gate is unlocked. Hence the problem with the magnetron gate: it's locked whenever the gate is shut and you can't just tug on it to get the belay loop into place. It's possible to hold the gate open during the whole belay setup, but it's not easy and I'd be really afraid of dropping my device in the process.

Don't cross-load a Grigri

Don't cross-load a Grigri

Love the GridLock and Grigri combo! But be careful to orient the GridLock correctly. From the BD website: http://demandware.edgesuite.net/aakn_prd/on/demandware.static/Sites-BlackDiamond-Site/Sites-bdel/default/v1374818747544/files/M10137_C_LockingBiner_IS_WEB.pdf

3 5

great idea

  • Familiarity: I've used it several times

I love the gridlock, but am less enamored with this one. I like the idea, but it doesn't operate as smooth as I would like it too. I haven't used it in a canyon yet, but hopefully that will change my mind.

5 5

Gridlike

  • Familiarity: I've used it several times

I'm a big fan right off the bat. It's quick and easy and solid. Nice and big for easy use with a grigri.

4 5

Perfect for Canyoneering, but sand sucks

I have been using this for canyoneering since November 2012 and I haven't had any problems with it till June 2013 when the rope would get wet then sandy in the Zion canyons. While rappelling your carabiner and ATC help clean off the sand from the rope but some sand ends up getting under push tabs of the Magnetron and make it so it freezes up and stays locked. You have to really play with it to loosen up the sand if you don't have water to wash it out with which sucks since this biner is not supposed to freeze up with sand. I haven't had any problems with it not locking though so that is good.

Overall I highly recommend the Magnetron to canyoneers, but if you are in super sandy conditions and using an older rope that holds sand well, beware of it freezing up just like any other locking biner.

4 5

Cool Gate

  • Gender: Male
  • Familiarity: I've put it through the wringer

The gate on the magnetron has the magnets in the gate and when it closes it locks into groves. It can be opened with your finger and thumb just fine.If I did it all again I thing I would get the rocklock version. The gate locks every single time you close it because of the magnets, so it can get annoying to open it to put you gear in, close it to slide the gear down, and then open the gate again to move the gear to the bottom to prevent cross loading. Seems to be quality materials though! I have not had any durability issues.

Cool Gate
Works great with a Grigri

Works great with a Grigri

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

Great Design

  • 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

Solid piece of gear

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.

On Chaos harness with ATC Guide

On Chaos harness with ATC Guide

Not a demonstration of how you should clip it, just a shot of the size and design

4 5

Not Bad

  • 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.

Magnetron Left Fork of Leprechaun Canyon

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

How it Works: Rear View

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

How it Works: Front View

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.