Ice-Ducers have revolutionized the way anglers use sonar for ice fishing. The ease of use along with the reliable performance took away much of the former problems with seeing the bait, a most important requirement for ice anglers. Additionally, anglers can easily jump from hole to hole in an effort to find and catch fish on the move. Vexilar offers the Ice-Ducer in three beam angles; 19 degree, 12 degree and the 9 degree (Pro-View).