PETZL - HUIT ANTIBRULURE, Figure 8 Descender DESCEND WITH CONFIDENCE: Features an anti-burn tab for holding the device when it is hot from a long or rapid descent. DURABLE MATERIAL: Made from high-strength forged aluminum. LIGHTWEIGHT: The HUIT ANTIBRULURE weighs only 110 grams and is compatible with 8-13 mm diameter ropes. MULTIFUNCTIONAL: Small hole can be used with thin ropes if necessary, or as a belay plate. SAFETY FIRST: Square shape to reduce twisting of the ropes and formation of a girth hitch.