Mad Katz Monofilament Fishing Line is an exceptional ultra-premium monofilament that can drastically improve your fishing success. Why is it so great? Because the mono fishing line goes beyond others with its exclusive M11 Precision Right Winding technology. The Structure Kat Premium Monofilament Line is spooled in concentric circles, which means the catfish line has near-zero memory issues when you put it on your reel. It also boasts the T12 Micro Resin process, making a slick line for superior knots and longer casts. Structure Kat is tough, smooth, soft, and glows brighter than any other line. When you're aiming for your new personal best, make sure to trust in Structure Kat!