This dinghy control line gets its name because of its spider web-like strength from its Dyneema core and twill pattern (smooth) cover.This spiderweb sized, high-performance line has a Dyneema SK-75 core inside a polyester double braid cover that provides superior strength for its tiny diameter. It is flexible, yet firm enough to be led through small leads, micro blocks and purchase systems and is also a great choice as sail ties for the performance Opti sailor.Key FeaturesAvailable in spools of 50', 75' and 100'1.8mm (5/32") diameter on a 100' spool and 350 pound breaking strength2.8mm (1/8") diameter on a 75' spool and 1,250 pound breaking strength3.8mm (5/32") diameter on a 50' spool and 1,860 pound breaking strength Best Use: Performance dinghy cascade systems, control lines,small one design cunninghams, traveler lines, vang systems, trapeze lines, outhauls, topping lifts, halyards, and twings Construction: Double braid Cover Fiber/Construction: Polyester braid Core Fiber/Construction: Dyneema SK-75 braid Stretch: 1.6% at 20% of breaking strength