RIOs Freshwater VersiLeaders have a strong nylon core in excess of 24 lbs. and are tapered for the best in performance. They are ideal for the fly fisherman who needs a quick-change option for converting a floating line to a sink tip. Each VersiLeader features a neat, bulletproof welded loop at the butt end for fast rigging. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Leader.