Black Diamond ATC Guide SNW the Helium Bivy is engineered

the Helium Bivy is engineered for low-profile waterproof and windproof protection

Series :  Bibler Series

batteries-in-the-front design uses two AAA batteries

Ergonomic handled ascender

ski guides

Black Diamond ATC Guide SNW the Helium Bivy is engineeredOur most versatile belay rappel device, with machined windows through the body to save weight. DESCRIPTION Our most versatile belay rappel device, the Black Diamond ATC Guide is now even lighter thanks to windows machined through the body. We also enlarged the auto block release hole to accept a small carabiner. Multiple friction modes provide the optimal amount of stopping power when lowering or rappelling, and the device's guide mode lets you belay