Librett Braided Nylon Twisted Mason Line, 150 FT - 24ply, Yellow/Black Extremely Strong Braided Twisted Twine. 150 FT, 24 Ply Fine Break Test (lbs): 212, Braided twines will not unravel when cut. Outlasts natural fibers. Built-in stretch for schock absorption Excellent resistance to rot, abrasion and household chemicals. Uses: Excellent for fishing line, net repair, construction and masonery work.