Shelves are very useful home furniture products that offer a storage space to let homeowners exhibit their their decoration items or place their stuffs on. A good shelf generally consists of several shelving unit. As for this one seen in the picture, it is a wall mounted wooden shelf.
Shelving units forming this products is mounted to the wall through shelf brackets. Each shelfing unit requires two shelf bracket to be mounted to the wall. That means, if you plan to have a shelf with 3 shelving units, you need to gather six brackets.