100 yds. Cortland Kerplunk Premium Lead Core Line. Wanna get down? This is what you need: super tough nylon is braided over a lead core, then dyed a different color every ten yards. Just may be the perfect trolling line! Available in 18, 27, or 36-lb. line weights. State Line Weight. Order Now! 100 yds. Cortland Kerplunk Premium Lead Core Line