[Durable Material] Floating shelf support brackets made of galvanised solid steel, with a galvanised surface to prevent rusting, One-piece moulding that does not break easily, wear-resistant and corrosion-resistant [Concealed Design] Have hidden effect, wooden shelf brackets will completely concealed in the partitions and will not be visible, can providing better load-bearing effect, allowing you to display your items more perfectly [Easy to install] First determine the installation position and distance, drilling two 10mm diameter holes in the board, then use screws to fix the bracket to the wall, finally insert the wooden board with the holes cut into the bracket [Wide Application] The floating shelf supports often used in indoor kitchen partitions, book shelves, cabinets or decorative room shelves, etc. They are a good piece of household hardware to extend the use of space [Package] Package includes 4 x 4" solid steel floating shelf supports, dimensions; cylindrical length: 100mm, cylindrical diameter: 10mm, width: 62mm, thickness: 3mm, hole spacing: 38mm, Manufacturer: YYCX