Product Material -Shelf brackets is made of iron with a galvanised finish for rust resistance and durability, which is beautiful, textured, sturdy and durableRight Angle Design - The 90 degree right angle design has a strong triangular structure, l shape wall brackets structure of the angle long is very stable and provides strong structural support to the wall shelvesEasy to Install - The heavy duty shelf brackets has matching screws, just drill the holes and screw in the screws until they are tight, convenient and practicalApplicability - The heavy-duty shelf brackets can be used for the installation of bookshelves, display racks, wine racks, garden racks, supporting small and heavy objects, make full use of your home space and keep your home neat and tidyLoad-bearing Capacity - They may look simple, but they can provide a lot of weight bear capabilities and has good stability, which make your home more beautiful, which evenly distributes the load-bearing in three points to maximise the capacity to bear heavy loads