Tuf-Line XP 1200 Yard Fishing Line (Yellow, 150-Pound) Tension lock technology tuf-line XP is braided under high tension Tuf-Line XP is more compact, smaller in diameter, packs better on reels Offers better knot performance, casts longer, reduces rod tip wraps, and boasts higher abrasion resistance Premium fishing line Tension Lock Technology Near 0% stretch Totally U V resistant Naturally waterproof