Petzl Figure-Eight Huit Descender One Size. Compact and lightweight the Petzl Huit Rope Descender features a square shape to reduce kinking the ropes and formation of a lark's head knot. Specifications for Petzl Figure-Eight Huit Descender: Manufacturer: Petzl Size: One Size Fabric/Material: Aluminum Weight: 100 g Rope Capacity: 8-13 mm Climbing Hardware Type: Belay & Rappel Features of Petzl Figure-Eight Huit Descender Square shape helps reduce rope twist and girth hitch formation Compact and lightweight Small hole can be used with thin ropes if necessary or as a belay plate Package Contents: Petzl Figure-Eight Huit Descender Petzl D02: Figure-Eight Huit Descender One Size