Braided thread with 100% Dyneema® SK75 fibers. Suitable for use as serving on compound string and cables and high end recurve strings. 100% Dyneema® SK75 fibers -lighted bonded for improve abrasion resistance -Highly durable. -Excellent grip. -Black color is made out of Black Dyneema®. Always will be black, not turns gray. -Thin diameter: 0.019" -Supplied on hard spools for best serving experience. -Made in Spain , under ISO 9001 and meets EU standards