A set of 11 sizes climbing nuts where smaller nuts are made of harder alloy to prevent shearing, larger nuts feature a hollow construction to reduce weight, these nuts are mounted on galvanized steel wire that are stiff enough to allow overhead placements, while flexible enough to reduce the chance of lifting out.

These nuts are color coded for quick and easy size selection from your harness and comply with UIAA, CE and EN standards for trad climbing and mountaineering.