A top choice for both your mainline, leader, or branch line, Mustad&';s Thor Super Soft Monofilament consists of soft yet strong nylon material. The material and construction combine to offer great balance and high handling performance while ensuring intense sensitivity and control. Catfish anglers appreciate the extreme abraision resistance and low memort of the Thor Super Soft Monofilament line. Amazing diameter-to-breaking strength ratio Smooth casting performance Soft, low-memory construction Impecable sensitivity Great abrasion resistance