Spiderwire Dura4Braid is a classic 4 carrier braid and is an unmatched value in high tech superlines. Dura4 Braid is super smooth and makes long & effortless casts possible. As with all Spiderwire braids, Dura4 is super thin, super strong, and super sensitive, without being super expensive. Four carrier construction No stretch Very strong on diameter Durable PE Fibers