Masterline Pro Spectra Trick Water Ski RopeMasterline Pro Spectra Trick Water Ski Rope The Masterline Pro Spectra is a non stretch trick ski rope built from Spectra Fusion line. The non stretch construction gives you direct rope control and consistent feedback through hand passes, toe tricks, and inverts every input from your hands transfers straight to the boat. The rope runs 13m overall as a 3 section mainline with take off loops at 12m, 11m, and 10. 5m, so you can shorten as your tricking