The Black Diamond Stopper Set Pro #1-13 is a set of the popular and robust nuts, strung on a Black Diamond Ovalwire carabiner. Black Diamond Stoppers are a must-have in Trad gear.
Thanks to their tapered design, they find a hold especially in widening cracks and shallow fissures. The different sizes can be easily distinguished.
The rounded edges make dismantling easier. Each stopper is fitted with a heavy duty drop forged steel cable.

- Heavy duty heads and steel cables
- Transverse taper for versatility in open, shallow or parallel cracks
- Rounded edges for easier mining (small sizes with no taper for more surface contact)
- Weight according to the manufacturer: 456g

- breaking load:
[size 1-2] 2kN (450lbf)
[size 3] 5kN (1124lbf)
[size 4-5] 6kN (1349lbf)
[size 6-12] 10kN (2248lbf)

Dimensions:
[size 1] 4.3/9.1 mm (0.17/0.36 in)
[size 2] 4.8/9.9 mm (0.19/0.39 in)
[size 3] 6.1/11.4 mm (0.24/0.45 in)
[size 4] 6.9/12.4 mm (0.27/0.49 in)
[size 5] 8.4/13.5 mm (0.33/0.53 in)
[size 6] 10.2/15.5 mm (0.40/0.61 in)
[size 7] 11.7/16.3 mm (0.46/0.64 in)
[size 8] 13.5/18.3 mm (0.53/0.72 in)
[size 9] 15.2/20.8 mm (0.60/0.82 in)
[size 10] 17.3/23.4 mm (0.68/0.92 in)
[size 11] 20.1/26.7 mm (0.79/1.05 in)
[size 12] 22.9/30.5 mm (0.90/1.20 in)
[size 13] 26.4/35.1 mm (1.04/1.38 in)

(Translated with Google Translate)