Bee-Line eye to eye friction hitch from At Height are a popular friction hitch for professional arborists. This prusik has two hand spliced eyes, which fit snugly over many carabiners, to keep everything nice and tidy. Bee Line has High Heat resistance due to its Vectran core and a 75% / 25 % Technora / Poyester cover braid. Bee Line has one of the highest heat resistant covers available. Works well with the 11mm and 11.7mm climbing lines.