Halfnut Set 1-7 climb crevasse rescue and is co-author of Birds

and is co-author of Birds of Southwestern British Columbia and British Columbia: A Natural History

461 Photographs document 920 routes on 567 peaks

and Kyrgyzstan

patented Draxtor system

Covering everything from rope systems and belaying to advice on group dynamics and rescuing

Halfnut Set 1-7 climb crevasse rescue and is co-author of BirdsSingle wire lightweight nuts that increase your protection options. Halfnuts excel in shallow placements, pin scars and situations where every gram counts. Features 38% lighter than equivalent size Wallnut 1 7 set. Reduced width gives more stability in shallow placements. Unique shape creates additional placement opportunities. Same reliable profile as classic Wallnut