Petzl RESCUE Pulley Petzl RESCUE pulley is a high strength pulley complete with swinging side plates and is strong. The RESCUE pulley is ideal for use when hauling heavy loads or for intensive use. FEATURES and BENEFITS: RESCUE pulley High strength pulley Swinging side plates Strong Ideal for heavy and intensive loads Large diameter sheave – mounted on sealed ball bearings Accepts up to 3 carabiners SPECIFICATIONS: Made from Aluminium Weight – 185 g Minimum rope diameter – 7 mm Maximum rope diameter – 13 mm Sheave diameter 38 mm Efficiency 95% Working load 8 kN Working load – one rope strand – 4 kN Breaking strength – 36 kN