Engineered for hard-to-clean pitches, wild conditions and long days, the Black Diamond Index Ascender is a robust workhorse for jugging in all weather. The ascender's trigger-finger release allows for hassle-free operation and its molded grip and lightened frame offer quick maneuverability and mobility. With aggressive teeth, the Index is primed for gripping icy ropes, and a large clip-in point and left- and right-handed versions add compatibility.