Seaview Modular Top Plates are designed to be mounted onto Seaview Modular Mounts. These Top Plates eliminate the "swiss cheese" look of most other radar and satdome mounts. With Seaview Top Plates the result is only four visible mounting screws to secure electronics. These plates result in only four visible mounting screws to secure electronics. A anodized 1/4-inch thick aluminum plate is pre-drilled to fit most marine electronics. This aluminum plate then encased in a UV stable glass filled ABS plastic. Each top plate is dimpled to match the provided drill templates for easy and precise drilling for your specific marine electronics.This modular top plate (EDMO# ADASTLK) is used to mount a Starlink Standard and High Performance Antenna to the Seaview M1 or M2 mount, and comes in white.