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Description

Give yourself space to lock into your belay station with the Rocklock.

The Black Diamond Rocklock Twistlock carabiner is one of Black Diamond's largest locking biners. The new Keylock has a non-snagging keylock nose. A slightly curved spine maximizes the gate opening and a square hinge end holds your belay loop securely in place. The Rocklock's large size makes it an excellent choice when using two ropes, wearing gloves, or when using a variety of belaying and repelling techniques. Its large capacity can handle multiple clove hitches at belays. It's easily operated with one hand. –Vendor

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Black Diamond Rocklock Carabiner

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Here's what others have to say...

5 5

best belay biner!

  • Familiarity: I've put it through the wringer

perfect belay biner! the bigger size makes it easy to fit a variety of belay devices, and rope diameters.

5 5

There's a reason everybody has one.

  • Familiarity: I've used it several times

Next time you're at the crag, take a look around at what everybody has holding their belay device onto their harness. Odds are over half of them are this Rocklocks. A great carabiner for a great price.

5 5

Excellent Biner

These are perfect for belaying and setting up anchors. Great price for an all-around solid, reliable piece of gear.

5 5

Great Carabiner

  • Familiarity: I've put it through the wringer

I bought 2 of these for a 16 day rafting trip down the Colorado. Worked great, heavy duty. Extremely pleased with this purchase.

5 5

Perfect Biner

  • Familiarity: I've put it through the wringer

These are a staple. Bomber locker that holds up to the abuse. I just came back from a climbing trip in Moab and saw some competitor equivalents in action. There's no competition - these take the cake.

5 5

Great Biner

  • Familiarity: I've put it through the wringer

This is my go to. Cheap, bombproof, and easy.

5 5

Bomber locking carabiner

  • Familiarity: I've put it through the wringer

Nice large locker that works great for everything from anchors to Munters. The weight is acceptable considering the size of the biner, and you won't find better for the price. I always have a few of these in my pack for the emergency top rope set up if I'm out with a few new climbers.

5 5

Solid

  • Familiarity: I've put it through the wringer

I love these. I use 1 or 2 in every anchor I build. They have a smooth action, don't snag, and aren't too heavy. On top of that, I've use a couple of them for top rope anchors on multiple occasions and they show little sign of wear. Great product that holds up well.

5 5

Best bang for the buck!

  • Familiarity: I've put it through the wringer

When I was introduced to canyoneering 7 years ago, I bought a few of these Rocklock biners to use for our trip down Keyhole and Mystery Canyon in Zion. Fast forward to 2015, I have bought many more of these for our adventures. I use these for rappelling, belaying and even ascending. Just as in mentioned in the many reviews here, the Rocklock is a solid performer and the price makes these even better.

5 5

perfect for the price!!

  • Familiarity: I've put it through the wringer

Sturdy construction, reliable and great for belaying. Pretty much all I use. The price is perfect since I would have no heartache about retiring a piece early. love these things

5 5

Solid and Reliable

  • Familiarity: I've put it through the wringer

Solid and reliable locking carabiner. Love how much room there is!

5 5

Reliable

  • Familiarity: I've put it through the wringer

Good size for rapelling and belaying, light and strong.

5 5

Super useful biner!

  • Familiarity: I've used it several times

These are a great sized biner! Big enough to belay with, and they work great for building anchors on multi-pitch routes.

Round stock lets rope slide through effortlessly. I'll be sure to keep these in my rack as long as Black Diamond keeps making them

5 5

No Frills Winner

  • Familiarity: I've put it through the wringer

These are great biners for belay options. They're big, cheap, and strong. I use mine for belaying a second on multi pitch routes with a BD ATC Guide. The size makes it easy to clip into crowded anchor points and keeps my belay device far enough away from everything else to not get in the way.

BD Rocklock

BD Rocklock

Heavy duty lockers I use on every big wall. They're used on my Metolius Ladders, they provide a huge handle when leading an aid pitch, and serve great as a large locking biner you can safely clip other things into at the anchors.

5 5

My go-to

  • Familiarity: I've used it several times

Great carabiner! I love the screwgate, simple and easy to use when your hands are full. Just wish they offered it in more colors.

Chelsea sporting the Rocklock

Chelsea sporting the Rocklock

Responded on

Hey David,

That's odd, the packaging when she got it listed the biner as a Rocklock. I'll have to compare it to one of my old Positrons next time we're out! Thanks for the heads up, I'll let ya know once I've put them side by side :)