Quikfletch W/Y/Y Quikspin Nap Nation Fletch (6-Pack), 2-Inch QuikFletch QuikSpin ST features NAP's patented kicker and micro-grooved combination on the 2" vanes The QuikFletch QuikSpin shrinks to fit any size carbon or aluminum arrow shaft Result - increased accuracy, tighter groups and extended effective kill range; Award winning performance for hunting, 3D, or competition shooting