Quick Release Removable Base for 10 in. x10 in. Seaview Base – Black These innovative mounts save time, money, and headaches for many different types of boat owners. Designed with a sturdy, lockable platform, the removable bases make removing, servicing, securing, installing high-value marine electronics easier than ever. Pre-drilled to fit Seaview mounts with the 7 in. x7 in. or 10 in. x10 in. base plate. *Compatible with Seaview mounts in which the part number ends in in. M2 in.