100% Spectra@ Fiber with 12-strand braided construction and special coating which reduces tendency to snag, adds firmness, greatly improves wear life, and reduces the chance of inadvertent cutting. This rope feels great on tow. A 3600 ft. spool weighs 13 pounds and it floats! 7/64 in. diameter with average tensile strength of 1200 pounds. Available in 3600 ft. spools.