Black Diamond Stopper

Priced: $6.99 - $9.95 Rated:   - 5 stars out of 5 by 10 reviews.
Black Diamond Stopper
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Color: Blue
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Black Diamond Stopper -
Black Diamond Stopper Features.

Black Diamond Stopper.
The Black Diamond Stopper is an essential climbing tool for every trad rack. Stoppers are time-tested passive pro that are developed from original chocks that started the clean climbing revolution. The Black Diamond Stopper is equipped with superb features that make it an ideal choice for everything from granite walls to quartzite cragging. Its aluminum heads and steel cables are extremely durable. And it is also designed with transverse taper that allows sideways placements in flares and shallow seam. It easily fits parallel constrictions and parallel sided tracks, further enhancing the stopper s flexibility. Furthermore, it is anodized by size, which makes the stopper easy to identify; stoppers come with color coded heads to help distinguish between sizes. Plus, it comes with rounded edges that make for easy removal and cleaning. Boasting with versatility and durability, the Black Diamond Stopper is definitely one of the most reliable tools for trad climbers.
This product can only be shipped to U.S. addresses.

Key Features.


  • Sizes 1 and 2 are for direct aid only
  • Rounded edges for easy cleaning (smaller sizes are straight for better surface contact)
  • Anodized by size for easy identification


  • Always read and understand the warnings and instructions that accompany your gear.**
  • Tranverse taper
  • Durable aluminum heads are color-coded
  • Time-tested passive pro stoppers are a direct link to the original chocks that started the clean climbing revolution
  • #2 Stopper .19/.39" (4.8/9.9 mm); strength 2 kN (450 lbf); weight 8 g (.28 oz)
  • Time proven design is light, strong and easy to use.
  • Durable aluminum heads and steel cables
  • Transverse taper allows good placements in funky cracks.
  • #10 Stopper .68/.92" (17.3/23.4 mm); strength 10 kN (2248 lbf); weight 43 g (1.5 oz)
  • #4 Stopper .27/.49" (6.9/12.4 mm); strength 6 kN (1349 lbf); weight 16 g (.56 oz)
  • Transverse taper offers versatility in flares, constrictions, and parallel cracks

The original wired nut that helped launch the clean climbing revolution has continually evolved to remain the standard by which others are judged.

The original wired nut that helped launch the clean climbing revolution has continually evolved to remain the standard by which others are judged. Black Diamond Stoppers’ aluminum alloy is durable yet has plenty of bite to sit in rock ranging from bulletproof granite to sandstone. Anodized by size for quick identi€cation, Stoppers have a unique transverse taper that increases surface area contact to provide the best placements possible in non-parallel cracks. Sculpted and optimized for easy placement and removal, Stoppers have rounded corners that don’t get hung up on crystals and irregularities. Time-proven design is light, strong and easy to use. Transverse taper allows good placements in funky cracks. Anodized for easy identification
Black Diamond Anodized Stoppers are light, simple, durable pieces of protection that form the cornerstone of any trad rack. This simple and effective shape fits securely around irregularities in cracks and is easily cleanable. Color coded for easy identification, you'll be sure to grab the right nut when the pump-clock is ticking fast. *Sizes 1 and 2 are meant for aid climbing only.

Oregon Mountain Community
Serenity, El Matador and The Pirate are some of the classic routes that can be done with just the bread and butter of a trad rack—Black Diamond Stoppers. Their aluminum alloy is durable yet has plenty of bite to sit in rock from bulletproof granite to gritty sandstone. All stoppers are non-anodized and priced to sell, get them while they last!
Essential pro for every trad rack, Black Diamond's Stoppers are designed with a transverse taper that permits sideways placements in flares and shallow seams. Anodized by size, they’re quickly identifiable and rounded edges make for easy removal. Each Stopper® is equipped with a durable galvanized steel cable.
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Average Price History: Price History
Review RatingNumber of Reviews
Strength:2 - 10 kn / 450 - 2248 lbf
Weight:.25 - 2.5 oz / 7 - 71 g
Width:4.3 mm - 9.1 mm - #1
Compare specifications to related products.

Similar Products:

Black Diamond #4 StopperBlack Diamond #4 Stopper$6.25 - $8.95
Black Diamond #2 StopperBlack Diamond #2 Stopper$8.95
Black Diamond #3 StopperBlack Diamond #3 Stopper$8.95
Black Diamond Stopper #1Black Diamond Stopper #1$8.49

Subcategories of Protection:

Black Diamond Stopper Reviews:


Oh BD stopper I'm so glad I met her
She proves that simpler is usually better
From number one all the way up to thirteen
The sleek sexy stopper is always my queen
It's hard to say her greatest contribution
But I'd have to say the Clean Climbing Revolution
No longer were pin scars a necessary evil
Instead into a crack a stopper you could weasel
How many falls have been arrested by you?
More than I can remember, that's why my loves true.
And it's not just on the way up that your treat me well.
You also are there when it's time to rappel.
How many of you I've left in the mountains?
So many that I can't even count them.
So... I'll scream it from the summit with zealous conviction
She is the best pro for any constriction.
While some times I must flirt with one cam or two
When I run out ... that's when her loves true.
She's lighter and righter and backs up thin sizes
For the lovely stopper my heart heaves and rises.
Some times at the end of a pitch she's all that I've got
And then at the anchor she happily slots.
I hope that I've made my passion clear
With out my beautiful stoppers I wouldn't be here.

Cedar Wright at on 03/08/2010

These were the first bits of pro I ever purchased. I bought the 1-13 set when I was starting out and they are very solid. Personally I prefer the ease of placing and cleaning cams, but everyone needs a set of stoppers, and when set right stoppers are super strong placements and yet so lightweight. I don't really see much difference in these stoppers compared to most others of the similar shape and material. I find the useful range of these stoppers to be 4-13, though I really don't prefer placing anything lower than 9 because 9-13 have the opening, and I find I can remove these with my nut tool easier. I have had to clean these even after being weighted, and I've always been able to remove these without having to damage the rock or the nut. The color coding is helpful. A quick note according to the tech specs on this page it says "7/8 2kN", this is obviously meant to be 1/2 not 7/8.

wjrenf2 at on 06/05/2009

I love these stoppers! These were the first pieces of pro that I ever bought, in sizes 4-13. The sizes 4-9 are the best and you should double up on them. I made a totally bomber rap anchor using the #7, a tricam, and two cams. They are great for small cracks and I would rather use one of these than I would a pin (even though I don't own any pins). If you're just starting to build your own trad rack, you should get these immediately.

Joshua Bruch at on 08/02/2012

Stoppers are wonderful pieces of gear, but the differences between brands are smaller than the manufacturers would have you believe. I like the Black Diamond option because the anodized heads color coordinate for size with the Camalots, which I use as well. This saves me time in sizing gear by eye, and speed is important when you're hanging on a fingerlock, fiddling with stoppers well above your last piece.
A necessary component of any rack.

Simon Hatfield at on 11/15/2010

glad bd lets you buy individuals, as sometimes they stick in cracks too well or you value life too much to rappel off a chockstone. Not much different from other options though I like the HBs a bit better, but haven't had recalls like Wild Country either.

Ben C at on 12/01/2013

There is nothing sweeter than placing a bottleneck nut into a constriction. Cams may be amazing and incredible, but I always feel secure placing a nice nut placement. I use sizes #5-9 more than any other size.

PMcGinn at on 07/29/2009

These are just classic. Every rack should have a set of stoppers and I would argue that every rack should have these. These were my first pieces of trad pro. Go with these!!

Koman at on 11/21/2013

Just got #6 and 8 for christmas and already know im going to love them. Already on my rack. Very solid feeling, wire is heavier too.

Dan Lexie at on 12/28/2013

Bomber. Perfect sizes, color coding isnt bad, nice curve and tough wire. What's not to love about the stopper?

Matthew Cox at on 03/31/2009

What can I say. No bells or whistles and does the job!!!

DJSSK012186705 at on 06/23/2009