Invisible shelf support - a black metal support with a diameter of 15 * 12.5 cm x 1.27 cm. It is recommended to use a wooden board with a thickness of 2.5 to 4 cm. Sturdy bracket Cast iron wall bracket attachment makes it easy to fix wooden frames and keep them in balance. Improved antique shelf bracket - Increase the thickness of the metal support rod to make the shelf bracket stronger, which can hold up to 50 kg. Wall Mounted Shelf Bracket Kit - These concealed shelf brackets are made of high quality metal with all necessary screws. Powder coat finish can improve corrosion resistance and prevent rust. Create wooden floating ledges , perfect for displaying your favorite keepsakes and decorations Product size: The length of the rod is 15.2 cm, the diameter is 1 ,3 cm and the back plate 2.5 cm wide pack: 6 * hidden hooks Including screws and dowels (not including wooden shelf) Feature: Multifunctional shelf hardware. These super sturdy floating shelf brackets are suitable for all types of shelves, suitable for DIY shelves, allowing you to create attractive multi-functional shelves anywhere in your home. Save space. Our hidden floating shelf bracket is the best extra storage solution for families where space is limited. These metal brackets are designed by professional mathematicians and physics teachers to ensure strength up to 200 lbs. In addition, the holes are correctly aligned to ensure the best balance when screwing. We also provide heavy-duty reinforcing screws and expansion plugs to ensure solid support for years to come.