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Oz Carabiner Rackpack

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Featuring six color-coded Oz carabiners with the snag-free benefits of HoodWire Technology, the Oz Rackpack is designed to match our Camalots and makes for easy identification and racking on your harness. READ MORE
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Featuring six color-coded Oz carabiners with the snag-free benefits of HoodWire Technology, the Oz Rackpack is designed to match our Camalots and makes for easy identification and racking on your harness. Learn More


When you're pumped stupid and digging for that crucial cam, you'll be glad you racked up with the Black Diamond Oz Rackpack, which features six hot-forged Oz carabiners, color-coded to ease cam identification. Our HoodWire Technology uses a patent-pending stainless steel wire hood to bring keylock functionality to wiregate carabiners without losing the lightweight and anti-freezing benefits. And thanks to the Oz's optimized geometry, it holds strong as the lightest carabiner in our line.

  • Hot-forged construction
  • Patent-pending stainless steel wire hood design doesn't snag, eases clipping and cleaning
  • New optimized shape
  • Same size and clip-ability as the Neutrino, but 8 g (.3 oz) lighter
  • Anodized in Camalot and C3 colors for easy identification

Tech Specs

Weight :   28 g (1 oz)
Closed Gate Strength :   20 kN (4,496 lbf)
Open Gate Strength :   7 kN (1,574 lbf)
Minor Axis Strength :   7 kN (1,574 lbf)
Gate Opening :   22 mm (0.87 in)


HoodWire Technology brings keylock functionality to a wiregate carabiner and is now available on our legendary, redesigned Oz carabiner. Its unique, stainless steel wire hood is a simple, strong design that won’t snag when unclipping. The wire hood doesn’t trap debris that could cause an open-gate failure, and protects the nose from wear.

Oz Carabiner Rackpack is rated 4.7 out of 5 by 22.
Rated 2 out of 5 by from Significant handeling dislike BD invited me to do a review of the OZ biner so I did. I am not comfortable with the OZ because I need to grasp it too low to open the gate, and it feels like it will dart out of my hand like a pumpkin seed. Although the wire gate guard is a clever feature to reduce snagging, the unexpected consequence is that to open the gate I need to grab the gate BELOW the nose, and the biner sits very shallowly in my hand. In contrast, for most other biners including the neutrino, my finger and thumb can be placed well ABOVE the nose allowing the biner to sit much deeper in my hand. Bottom line – the OZ slips out of my hand too easily and I’m not comfortable using it.
Date published: 2016-04-05
Rated 5 out of 5 by from Great for Matching to Pants I like to carry my keys on a carabiner when i'm climbing at Momentum, but I also like that carabiner to be able to take a full load just in case, so that ruled out any "not for climbing" carabiners you see on other people's belt loops. I was getting bored with using a regular old metallic silver carabiner so when I saw that Black Diamond released a set of colored carabiners, I was psyched. Now I can match the carabiner to what i'm wearing all the time, and I don't have to worry about it failing in case I have to use it in an emergency situation.
Date published: 2015-08-26
Rated 4 out of 5 by from Impossibly light I am really impressed by the lightness of these biners. The hoodwire is a great idea as well. This is my go-to rack biner, and I have several packs, but I give it 4/5 because: 1) The hood doesn't cover the tooth _quite_ enough, so it still snags on webbing sometimes 2) The gate opening action is not all that great. Some biners won't open all the way without undue force, and most of them are quite stiff If BD ever decides to tweak the Oz and improve these admittedly minor issues, it would be a perfect biner to me.
Date published: 2013-10-03
Rated 5 out of 5 by from Solid biner Most solid biner at this weight. The hood really does help prevent snags, which always seem to happen when I'm most pumped. These are small but still plenty large for regular use, and the weight saved on my rack is noticeable. Anything longer than a couple of sport pitches and I want as many of these as possible.
Date published: 2015-04-07
Rated 3 out of 5 by from Poor quality control I have found out that I am not the only one where half of the rack pack has very stiff gates. I loved the hoodwire and liked the new Oz so I threw down the cash for two rackpacks, but found that half on each are really stiff, not my favorite when pumped out trying to clip and worse trying to clip twins. Just check them each out in a store and don't settle for only some working. When they work right I agree with all the other reviews, one of the best biners out there: great function, weight and price.
Date published: 2013-07-25
Rated 5 out of 5 by from outstanding products from a Utah company the only brand I own Out standing products from a Utah company the only brand I own.
Date published: 2017-01-04
Rated 5 out of 5 by from Oz Is As Light As Gauze After being a frugal climber for many years and transitioning from bouldering to big walls, I found my cheap choices added up in weight. With a single or double rack, you will be happy you switched to Oz biners. I keep having that sensation that I forgot something, but it's just a lack of weight. They also handle really well and color coordinate. Thanks, BD.
Date published: 2014-04-20
Rated 5 out of 5 by from Favorite Compact Carabiner Light weight with an innovative fully hooded gate for safety. Smooth action. Versatile, good for most applications and the racking carabiner for all my cams. I prefer a larger carabiner for crux clipping, but these handle everything else. Massive improvement over the original Oz. Color coordination is nice and makes they really pretty!
Date published: 2016-07-12
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