Combining high strength, low stretch and light weight, Dinghy Control Line is ideal for uses such as main & jib halyards and downhaul/outhaul control lines. The braided polyester cover gives comfortable handling and the braided Dyneema SK-75 core provides strength. Each fiber in the core is impregnated with Robline's unique S. Y. I. S. treatment for improved core-to-cover grip. In addition, the cover can be stripped to save weight and decrease the diameter. Cover fiber/construction: 32-plait polyester braid. Core fiber/construction: 16-plait Dyneema SK-75 with S. Y. I. S. impregnated yarns. Stretch: 0. 76% at 20% breaking strength. - 990 lbs breaking strength