Berkley FireLine Thermally Fused Superline is optimized for spinning reels to be smoother, tougher, and more sensitive. The fused 8-strand Dyneema PE fibers in the Berkley Fireline Superline are resilient. Tested against leading competitive conventional braids, thermally fused Fireline provides up to 5 times stronger abrasion resistance when compared to conventional braided lines. It is simply the strongest, most abrasion-resistant fishing line. Why should you take the chance of losing the fish of a lifetime with a lesser pick? Follow the motto, 'Be prepared,' and make your choice from the Berkley FireLine Fused Superline.Five times more abrasion resistant than leading conventional braidsFused 8 Strand SuperlineSmooth casting and sensitiveQuantity per pack: 1 Made in the USA Test (lb.)Diameter (in.)Diameter (mm)40.0050.1260.0060.1580.0070.17100.0080.20140.0090.24170.0110.27200.0120.30300.0150.38