Berkley FireLIne Braided - New and improved FireLine is smoother, tougher, and more sensitive! 8-strand fused technology provides unmatched abrasion resistance making it 5X's tougher than conventional braided lines. It has a smoother, more supple feel for a longer casting FireLine! 5X More Abrasion Resistant than leading competitive conventional braids Fused 8 Strand Superline provides Unmatched toughness & Abrasion Resistance Smooth casting and incredibly sensitive