First String Recurve Bow Strings are made of Dacron main string material. BCY #62XS center serving is a Spectra/polyester blended material for ultimate grip and durability. BCY 3-D loop end serving boasts 3-Ply twisted Dyneema for small diameter and ultimate performance. Sizes: 49, 51, 53, 55, 57, 59, 61, 63. Color: Black. Type: Bow Strings.
