Edson's Multiuse tower has multiple mounting holes in the top plate to accomodate the most popular Radomes from Raymarine, Furuno, Simrad, Garmin and Koden. 5" height with 4 degree down angle to optimize radar scan when under way. Features an integral mount for optional anchor light arm and a watertight cable gland. Does not fit NorthStar Digiatal Radar Domes.