The CAMP USA Dryad Pro Small Double Mobile Pulley is a high-efficiency pulley for big wall hauling systems and emergency rescue scenarios. Relatively compact and lightweight, this pulley easily attaches to your harness and accommodates ropes up to 13mm. Sealed ball bearings provide high efficiency hauling (92%) and intensive use at higher speeds. Its aluminum alloy body and stainless steel axle stand up to rigorous use on climbs and rescue missions alike. This pulley is prusik-minding for easier rigging of hauling systems on routes or managing rescue situations. Plus, it features a large connection point for attaching two carabiners, as well as rotating side panels.