BCY 62 Braided Center Serving Black/White .018 100 yds. 13434. The same specifications as regular 62 serving but 20 percent stronger and more durable. Package Contents: BCY 62 Braided Center Serving A blend of polyester and Spectra/Dyneema giving high durability and a secure grip. The same specifications as regular 62 serving but 20 percent stronger and more durable.