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Stoppers No. 4-13 racked on an HotWire carabiner. Black Diamond Stoppers are an essential for every trad rack, 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.
Strength
[size 4-5] 6 kN (1349 lbf)
[size 6-13] 10 kN (2248 lbf)