All prices include my self-designed mounting system, finish, all fasteners, and an instruction sheet. Nothing else is needed for a complete installation. The supplied mounting system is very easy to install, and is plenty strong. Simply screw the bar to the studs in the wall, slide the shelf onto it and that’s it! The mounting bar is designed to be a friction fit inside the shelf. It keeps the shelf firmly in place, but for added strength, the several supplied “set screws” can be installed along the back of the shelf if necessary.