TUF Line XP is our best selling super line. Aerospace technology has been utilized to produce this high performance fishing line. Tension Lock Technology TUF Line XP is produced under high tensions allowing more compaction of the fibers during the finishing process. This line is more compact, smaller in diameter, packs better on reels, offers better knot performance, casts farther, reduces rod tip wraps and has higher abrasion resistance. Available in green, red, yellow and white.