Tightly braided, high-tenacity nylon multifilament yarn encapsulates a 99.9%-pure lead core. This pure-lead construction offers a smaller diameter than standard lead-core lines. The color changes every 10 yards for accurate measurements of fishing depths without having to use a linecounter. The line is also a great alternative to snapweights or divers. Approximate sink rate is 1.25 ft. with every 2 yards released, depending on speed. Spool sizes: 100-yds., 200-yds. Available: 54 lb., 18 lb., 27 lb., 36 lb. (200-yd. spool only), 45 lb. (200-yd. spool only).