It's no great secret that the strings and cables on a bow are its weakest link. Let's face it, if they didn't move, tuning would be a breeze. Pape's Inc and First String Products are built from the Industries most durable and stable materials; combined with unmatched workmanship and attention to detail, to help put the odds back in your favor. These strings are built from BCY's 452X material, they have black end servings made of a material called 3-D and a center serving made of a material called #62 braided XS. The string color is called Brown Variegated. Special Orders can be made for 1-Cam or cables, please. Allow 8-14 days for turn around.