Yale Bee-Line Eye & Eye Prusik Cords are constructed of a blend of Vectran, Polyester and Technora. They have the highest heat resistance of any friction cord available. Combined with the high strength and heat resistan Features a 75% Technora (900 degree melting point)/25% Polyester (480 degree melting point) sleeve with a 8,000 lb. breaking strength. The small spliced eyes allow for excellent mating to carabiners and minimize the potential for cocking.