Petzl Tibloc Climbing gear

Amazon

Ultra-light and compact emergency ascender (35 g). For use on 8 to 11 mm diameter ropes. Can be used as a rope ascender or a progress-capture device in a haul system. For use on 8 to 11 mm diameter ropes. Stainless steel toothed cam and self-cleaning slot optimize performance, even in muddy or icy conditions. Markings on the ascender make it easy to install on the rope.

Snowcountry

Ultra-light and very compact ascender for rope ascents, hauling systems or friction knot replacement in self-rescue situations. TIBLOC has an automatic system that presses the carabiner against the rope to start the braking action on the rope.