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Review Summary
2020-07-06T20:00:00
There are times when a cam just doesn't fit and a BD stopper fits right into the wedge of a crack! I now have a set of two , there are certain cracks that simply gobble up stoppers. You get such a good feeling when you sink one of these guys in and your inner dialog is "I could fall on that all day!" These are a must have for any Trad rack!
Billy M.

2020-05-21T20:00:00
These are great quality and I will definitely use them often!
Aidan

2019-10-10T20:00:00
Nothing like a bomber stopper to make you feel warm and fuzzy.
Spencer

2018-11-27T19:00:00
I’ve used nuts from a few different companies over the years and these ones do seem to work the best. They place nice and I’m always able to retrieve them even after falling on them.
Rschap

2017-07-24T20:00:00
Black Diamond nuts (stoppers are the best all around that are on the market I am completely satisfied.
Jelly909

2017-01-27T19:00:00
Call me old fashioned but these nuts are the best. BD nuts are the mainstay stopper in a climber's rack. There are very few constriction cracks where these don't work. Although they are not "off-set", they have a trapezoidal shape that allows them to be on placed their horizontal securely in mildly off-set cracks.
Michael

2016-07-15T20:00:00
A great value and solid protection for a small amount of real estate.
Jason

2016-01-13T19:00:00
BD and, before BD, Chouinard, has made what i think are the best stoppers since, well, since good stoppers have been made. Get a full set and you'll be the envy of your Trad partners. Talk 2 of them into buying the same full set and you'll be ready to climb the Tower together ;-)
Paul

2015-05-04T20:00:00
I have used Stoppers since the first version in 1972. They place consistently, clean easily, and do the job they are designed to.
Robert

2014-01-06T19:00:00
I've been using BD nuts all my life and love them to bits. They are simple, reliable and affordable and they work in every sized crack you can imagine.
David

2013-11-19T19:00:00
These stoppers are easy to place and easy to clean. Love the shape and they seem to take abuse better than other brands. A absolute essential for every rack.
Eric

2013-11-18T19:00:00
These stoppers (nuts are a staple for any climber's rack. The shape gives you several different orientations for placement so it covers a wider range of widths. The transverse taper makes them easy to place and really secure. I have yet to have one pop on me in a fall. They can be a bugger to remove so bring a nut tool. I've never used sizes 1 & 2 since I don't do any direct aid climbing, but I'm sure they work just as well as the rest.
Steve

1 : 0.17/0.36 in, 2 : 0.19/0.39",3 : 0.24/0.45 in, 4 : 0.27/0.49 in, 5 : 0.33/0.53 in, 6 : 0.40/0.61 in, 7 : 0.46/0.64 in, 8 : 0.53/0.72 in, 9 : 0.60/0.82 in, 10 : 0.68/0.92 in, 11 : 0.79/1.05 in, 12 : 0.90/1.20 in, 13, 1.04/1.38 in
0.25 oz
1-2 : 450 lbf, 3 : 1124 lbf, 4-5 : 1349 lbf, 6-12 : 2248 lbf
Yes
Yes
Yes
Yes
A must for any rack
By Steve
These stoppers (nuts are a staple for any climber's rack. The shape gives you several different orientations for placement so it covers a wider range of widths. The transverse taper makes them easy to place and really secure. I have yet to have one pop on me in a fall. They can be a bugger to remove so bring a nut tool. I've never used sizes 1 & 2 since I don't do any direct aid climbing, but I'm sure they work just as well as the rest.
They are there when you need them!
By Billy M.
There are times when a cam just doesn't fit and a BD stopper fits right into the wedge of a crack! I now have a set of two , there are certain cracks that simply gobble up stoppers. You get such a good feeling when you sink one of these guys in and your inner dialog is "I could fall on that all day!" These are a must have for any Trad rack!
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.