Mustad&';s Thor Monofilament line is made with top-grade copolymer nylon. Its unique combination of proprietary materials provides maximum strength while maintaining pliability. The copolymer nylon formula means more strength per diameter and excellent abrasion resistance. Mustad Thor mono is designed to be a true all-around high-performance line with smooth, long-distance casting. Available in both green and clear. Premium copolymer nylon material Long-distance casting performance Great strength per diameter Amazing sensitivity Excellent abrasion resistance