Compact emergency ascenderIn a bind, this ultra-lightweight ascender can be used to build hauling systems or as a Prusik-replacement in self-rescue situations. * Chrome-plated steel cam with angled teeth and self-cleaning slot securely grips the rope, even in muddy or icy conditions* Can be used as a progress capture device in a hauling system* Small hole at top of TIBLOC allows a keeper cord to be attached.Weight: 39 g