Knottec makes one of the finest PR/FG knot tying tool. Quality of the workmanship is one of the best we've seen. This design has an easy to use built in adjustable drag to give you the correct tension for your winds as you are spinning the spectra onto the leader. Makes tying a PR knot a breeze with the correct tension and tight loops that will never slip. Precision CNC machined from corrosion resistant T6 aluminum alloy and 316 stainless steel, this item is resistant to corrosive saltwater environments ensuring years of trouble free use. Comes with a spare heavier spool for when you are tying heavier leaders that require additional weight and tension on your winds.