The BCY 452Xtra Bowstring Material is an advanced blend of 67% Dyneema and 33% Vectran, featuring a patented construction for superior performance. The new, high-abrasion-resistant Vectran reduces fraying and enhances durability, ensuring long-lasting use. This bowstring material offers no creep and remains completely stable, matching the size and strength of the popular 452X while providing enhanced performance.