Poly Tec is a 24-carrier blend of Technora and polyester with a Dyneema SK-78 core. Poly Tec is engineered to the demanding standards of riggers worldwide, offering excellent abrasion and heat dissipation. With a level of grip that other high-tech fibers dont offer. There is a full range in colors and is available in diameters on 6mm to 14mm. Applications include runner tails, mainsheets, and genoa sheets and spinnaker sheets. Sold by the foot.