Blue Ox Rope 3/4" 12 Strand polyester arborist bull rope with a nylon core is a premium quality, USA made, arborist bull rope for rigging and pulling trees. Charcoal with Lime Tracers. Tightly braided for abrasion resistance. Average 18,000 pounds tensile strength. The tightly braided polyester outer jacket gives the rope excellent abrasion resistance and durability. The nylon core provides extra strength and shock absorption. Made in the USA.