New, Unused, Black Diamond Friend Climbing Cam #4, #5, #6 Set BD Black Diamond Camalot C4 I purchased these new, but I'm not going to be climbing routes that require these sizes, so I'm selling them. Completely unused. I've taken plenty of photos, so please check them carefully before purchasing. Since these are new and unused, and to prevent any swapping, please refrain from canceling after receiving the item. Lightweight and strong aluminum belay device - Colors: Green, Purple, Blue, Silver Gray - Material: Aluminum - Application: Belay device for mountaineering and climbing - Features: Lightweight design, strong Thank you for looking.