Fits most Garmin, Humminbird, Lowrance, Northstar, Raymarine & Simrad radomes. This 5" tall aft leaning mount has a modular top plate.The plate has4 visible mounting screws to secure electronics. Each top plate comes pre-marked for your electronics as well as a drill template for easy precise drilling. The 7″ × 7″ base plate utilizes a small footprint, great for installations where space is limited. The body is made out of 316 stainless steel.