Pro-Troll makes 2 sizes of StingFish lures in over 20 finishes.  The SF-15 is 5 1/2 " long.  These lures are ideal in situations where you want a lot of action at slow speeds.  They are used extensively for salmon in the rivers trolled or back trolled just off the bottom.  They are also excellent when slow trolling for laketrout and large rainbows.    Features the patented EChip, and contains a ball bearing rattle.