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Review Summary
2025-11-16T19:00:00
These stoppers are great! I never had color coded stoppers before and its nice that they follow the color coding that BD uses for their cams as well. I've been enjoying placing these.
Ryan W.

2025-08-13T20:00:00
Best protection. Never used better
Quin T.

2025-07-14T20:00:00
Easy to use and place, easy to differentiate between the sizes, and overall a great stopper set.
Ian D.

2025-05-29T20:00:00
So glad they sell this starting at 4 never used anything smaller
Nico D.

2025-05-17T20:00:00
A classic set of stoppers. Essential to any starter rack.
Raphael S.

2025-05-16T20:00:00
No problems so far, love the small ones.
Noah W.

2025-04-07T20:00:00
These are awesome in the alpine. Lightweight way to protect your whole pitch.
Matthew S.

2025-03-31T20:00:00
Building my first rack after many years of borrowing a friend's. These are classic and are an essential part of anyone's first rack.
Raphael S.

2025-03-25T20:00:00
Amazing!
Ian N.

2025-03-05T19:00:00
Great set of nuts
Matthew S.

2024-12-31T19:00:00
These stoppers can handle anything thrown at em! They stand up to everyday challenges. Trust em with my life!
Cooper M.

2024-11-01T20:00:00
Simple design. Easy to use. Can't beat a good solid nut placement. Great for building anchors or backing something up. Inexpensive protection every trad climber should have in their bag.
Bryan S.

2024-09-08T20:00:00
Great variety of sizes for the common climber. You'll have no problem finding a stopper for a finger/ish sized constriction. Comes with a wire gate carabiner to attach to your harness or sling. Don't forget to buy the nut removal tool too!
William W.

2024-09-04T20:00:00
A classic to have with you!
Jessica M.

2024-08-21T20:00:00
Took my new stoppers out for their maiden voyage on a multipitch in Index. Top notch!!
Leigh T.

2024-08-17T20:00:00
hood weight for so many pieces
Simran C.

2024-07-12T20:00:00
The slight concave side helps with maximizing contact on placements
Ben A.

2024-06-25T20:00:00
Exactly what I needed. Work well for climbing on granite!
Zachary K.

2024-05-13T20:00:00
I've been using these for about 1.5 years and must like them since I'm on here buying them again. Sure, it saves on weight, but I also feel the hollowed out aspect makes these a little easier to remove from the rock and less likely to get stuck and abandoned.
Stephanie G.

2024-04-29T20:00:00
Good set for first rack
Kirsi L.

2024-03-16T20:00:00
A lot of people act like cams are always better because they actively engaged the rock. But there's been so many times where a BD stopped is definitively the better fit. Gotta have them.
Bryson T.

2023-12-02T19:00:00
Fair price for the quality of protection you get from these!
Paola P.

2023-11-19T19:00:00
Havnt used these yet but look to be good quality
Brandon E.

2023-10-05T20:00:00
A must have for trad climbing
Eric L.

2023-08-18T20:00:00
Perfect set of nuts for standard rack
Timothy G.

2023-08-09T20:00:00
this range or stoppers made the most sense for me as a beginner tradder, though I've recently found a use case for a #2
Xin D.

2023-07-22T20:00:00
nice set for beginner
Yajing C.

2023-05-26T20:00:00
Kind of regretting not getting the larger set with the #1-3
Dylan S.

2023-05-16T20:00:00
Great nuts. Love the color coding
Josh H.

2023-04-23T20:00:00
This is a great overall starter set of stoppers.
Corinna S.

Size 4: 0.49", Size 5: 0.53", Size 6: 0.61", Size 7:0.64", Size 8: 0.72", Size 9: 0.82", Size 10: 0.92", Size 11: 1.05", Size 12: 1.20", Size 13: 1.38"
Size 4-5: 1349 lbf, Size: 6-122248 lbf
15.6 oz
Durable Aluminum
Yes
Yes
Tried and True
By bRadical
Stoppers, nuts, chockstones, how can you go wrong with a solid set of passive pro? Chouinard, and now BD, has been producing these things since 1972 and while the basic premise remains the same, minor tweaks and improvements keep making them better. Color coding has been around for awhile and the latest version has the size of each stopper labeled on the wire tag, rather than on the nut itself (where it is quickly worn off. Not that I ever search by number, but it is nice and easy to see whic...
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Classic Pro
By Patrick
Stoppers are easy to place, the color coding is awesome, and the set of 4-13 gives a pretty solid range. Classic pro and the foundation of a good rack.
Black Diamond Stopper Set No. 4-13
The Black Diamond Stopper Set No. 4-13 is the ideal stopper set, to take on a tough climb. It is mounted on an oval wire carabiner, with a large gate opening and built with a greater capacity to support nuts, pins, and items of varied sizes. An all new transverse taper with a larger surface area, makes this perfectly safe for sideways placements, in uneven cracks and even vertical constrictions. The stopper rounded edges ensure ample surface contact for quick removing and easy cleaning. An aluminum construction makes this a durable, long-lasting product. It also helps keep the weight of the stopper to a minimum (15.6 oz.). It comes with galvanized steel cables to further ensure sturdy support for the load. With the Black Diamond Stopper Set No. 4-13, you will never find yourself in a tight spot!