Core SENSOR 2-3 Pro & Wake Tectanium Vario Frontlines Set 18+4+2mExclusively developed for CORE by Liros, the market leader in specialized aeronautical and sail cordage. The virtually tangle free, no stretch, Tectanium center and steering lines are 400% more resistant to elongation and feature an unbelievable 50% greater breaking strength. To cap things off, the lines are 10% thinner and, therefore, more aerodynamic. Features: 10 percent lighter and thinner 50 percent higher break load 400 percent higher stretch