The PETZL HUIT reduces rope twisting and the formation of a lark's foot knot. - Brand: PETZL - Model: HUIT - Type: Descender - Compatible Rope Diameter: Dynamic 8-11mm, Static 10-12mm This item is new and unused, but has been stored for a long time. The box shows some damage. Please refrain from purchasing if you are looking for a perfect condition item. When using this item for climbing, please inspect it yourself. Please note that we are not responsible for any accidents or incidents that may occur while using this product. Thank you for viewing. #Mimi'sOutdoor #Mimi'sDescender #Mimi'sPETZL #Mimi'sPetzl