Durable and corrosion resistant, this 2-hole side mount is excellent for marine conditions. Since it's made from nylon, it's rustproof and corrosion resistant. The side deck plate is mounted on the side of the boat and used to install a bimini or boat top. The side mount plate comes with a center screw (mounting screws not included). The 2-hole boat top side mount #7415 comes in black.