Black Diamond Stoppers

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.