Dear customer, Thank you compatible choosing our products. If there is any problem with our products, please contact us through the order incompatiblemation. We will be happy to serve you and solve it compatible you as soon as possible within 12 hours, thank you Material: high quality nickel plated iron, won't rust or bend easily, sturdy and durable. The weight of the bracket can reach 10 kg, no need to worry about the shelf shaking or falling.Fully Concealable: Use a router to remove 0.55" from the wood. Designed to hide completely behind your shelves, small profile compatible easy concealment. Create shelves that appear to float off the wall, visual display or beautifully modern storage. Save space: The floating shelf bracket is a stylish new space-saving storage solution that makes your home look nice and tidy, reducing room clutter.Easy to install: Our products are very easy to install, just screw in a few screws. They are compatibleable compatible use in dry walls, concrete walls or brick walls to keep floating shelf brackets intact.Applications: These brackets can be applied in many different places, widely used in home and fields. Easily install your favorite shelf in the home office, bathroom, kitchen, living room, dining room, bedroom, garage, and even the porch.