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Black Diamond

4.875 out of 5 stars
16 Reviews
$11.95 - $14.95
Color:One Color




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.


  • Durable stoppers for your next trad climb
  • Aluminum construction is sturdy and lightweight
  • Color coding for quick identification
  • Item #BLD0828
[1 - 2] 2kN, [3] 5kN, [4 - 5] 6kN, [6 - 12] 10kN
Claimed Weight
[1] 0.25oz, [2] 0.28oz, [3] 0.53oz, [4] 0.56oz, [5] 0.63oz, [6] 1.13oz, [7] 1.2oz, [8] 1.31oz, [9] 1.38oz, [10] 1.52oz, [11] 1.8oz, [12] 2.05oz, [13] 2.5oz
Manufacturer Warranty
1 year

Overall Rating

5 based on 16 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 0 reviews
3 Stars - 0 reviews
4 Stars - 2 reviews
5 Stars - 14 reviews

Fits True To Size

Screen reader users: the following list provides a visual scale to illustrate the product fit. Please refer to the heading above for the fit type in text.
Runs smallTrue to sizeRuns large

What do you think about this product?


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5 out of 5 stars

May 3, 2024

Black Diamond Stoppers

I love using Black Diamond Stoppers for my traditional rack when out climbing. They work great for passive protection in the rock!

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Dennis R.

Originally reviewed on

5 out of 5 stars

October 19, 2023

Solid Protection

BD stoppers are very well made versatile products. Easy to set in many different configurations.

Steve K.

Originally reviewed on

5 out of 5 stars

July 17, 2023

Cant go wrong with BD stoppers.

I mainly climb at red rocks so nuts are important to me. I normally carry a double set of nutz on most routes. There isn't much to say about nuts in general but I prefer BD.

zachary s.

Originally reviewed on

4 out of 5 stars

July 7, 2023


Not much to say about a nut and wire but they have caught me and my climbing friends more than once.

Ian C.

Originally reviewed on

5 out of 5 stars

February 23, 2023

Simple and Effective

I really like these simple nuts, especially in the smaller sizes.

Bryan G.

Originally reviewed on

5 out of 5 stars

December 3, 2022

It's a Stopper

I've put it through the wringer

It does what it says it does. Solid gear. Well worth the price. Set it and trust it!

Alexander T
5 out of 5 stars

November 1, 2022

Color code makes it easy

Color code makes it easy to find the correct size.

Eric S.

Originally reviewed on

5 out of 5 stars

October 13, 2022

Simple and Secure

BD stoppers are simple and strong. Easy to place and clean. I carry a set size 3-13.

Brett C.

Originally reviewed on

5 out of 5 stars

May 26, 2022

Have not used yet, but

Have not used yet, but seems like a quality priece of gear and excited to try them out

William Q.

Originally reviewed on

5 out of 5 stars

November 12, 2020

Works great, I just starting trad climbing

Works fine, able to fit it into cracks where I climb, seems like the number six is one I need more often so I snagged an extra one

Benjamin S.

Originally reviewed on