Lowest stretch all-polyester line is a great choice for replacing your double braid polyester halyards.Patented all-polyester braid with parallel core construction and a filament/spun cover for improved handling and greater abrasion resistance. One third less stretch than Sta-Set at only a small price premium. In many applications, Sta-Set X can be used in lieu of expensive racing braids, especially when sized conservatively. Soft cover improves grip in the hand and on a winch. White Sta-Set X is identified by two fine red tracers in the cover forming the characteristic X.” Color-coded red, blue and green Sta-Set X has bold colored X” flecks for easy line identification. Stretch: 1.95% at 20% of breaking strength.Key FeaturesLowest stretch all-polyester line; A great choice for halyardsParallel polyester core with braided cover; 1.95% stretch at 20% of breaking strengthWhite (with tracer), or Green, Blue, Red Fleck; 3/16"-5/8" diameters; Sold by the footRecommended by Practical Sailor for superior stretch, durability and ease of handlingCan be used to replace wire halyards