Power Pro brand line. 1500 yard spools,comes in either: 20/6# -30/8#- 50/12#. Ultra Sensitive super strong,smoother casting.Great for dipsy diver fishing less stretch.100% spectra fiber. Use this line with a backing underneath to take up the space. Most reels need only 125-150 yards of line for fishing. Therefore a 1500 yard spool goes a long way.