Buy a bulk spool and save! Sufix Superior Fishing Line is a premium-grade line that provides consistent, reliable performance on the water. Specially blended copolymer nylon is extremely strong and abrasion-resistant, with one of the highest tensile strength ratings available. Controlled stretch yields fast recovery and excellent hook-setting power. Premium-grade line Specially blended copolymer nylon Strong and abrasion-resistant Extremely high tensile strength Controlled stretch