Tapered sinking leaders that instantly converts floating lines to sink tips.RIO&';s Trout VersiLeaders are designed for the fly fisher who needs a quick-change option for converting a floating line to a sink tip. Each VeriLeader is tapered for the best in performance and has a 12lb nylon core coated in PVC. A neat, bullet-proof welded loop at the butt end allows for fast rigging. There are two length options available, 7ft and 12ft, with the following sink rates: