A blend of Spectra/Dyneema and polyester. Uses Spectra for strength, Polyester for a strong grip, and combined they are very durable. Black/White blend only. Available in diameters; .018", .021", and .025" so you can custom fit your bow string to your arrow nocks.
.018 is about 100 yards per spool
.021 is about 75 yards per spool
.025 is about 60 yards per spool
