RAD LINE 6 mm, Ultra-light and compact hyperstatic cord designed for skiers doing crevasse rescue, rappelling, or roping up on a glacier to get out of a crevasse zone - Petzl USA
ACCESSORY CORD | SingingRock.cz
You Want Me to Rappel on That? Petzl RAD Line, Mammut Glacier Cord Head-to-Head Review | GearJunkie