The TIBLOC. Is an ultra-light and very compact ascender for rope ascents or rope grap for hauling systems or Prusik knot replacement. A handy tool for emergency or self-rescue situations. Its angled teeth and evacuation slot, securely grip the rope, even in muddy or icy conditions. Specifications � Materials: Stainless steel, nylon � Weight: 35 g � Rope compatibility: 8 to 11 mm � Karabiner compatibility: all Petzl Professional models � Certification(s): CE EN 567, EAC