
Invisible Shelf Bracket - 15 * 15cm diameter black metal brackets in 1.2cm, 2.5-4cm thick wooden boards are recommended. Heavy Duty Shelf Bracket - Cast iron wall shelf bracket makes it easier to hold wooden shelves and keep them balanced. Upgraded Rustic Shelf Brackets - Increase the thickness of the metal bracket rod to make the shelf bracket stronger, can hold up to 50kg+. Wall Shelf Bracket Set - Made of high quality metal, these hidden shelf brackets come with all necessary screws. Black Metal Bracket - Powder coated finish can enhance corrosion resistance and prevent rust.