you will get 4 pcs floating shelves brackets 100mm, with 8 pcs Mounting Screws 5x60mm,They are suitable for use in dry walls, concrete walls, or brick walls. Our heavy-duty shelves is made of high-quality nickel-plated iron, each supporting weight up to 44lbs/20kg, Sturdy and durable, not easy to rust, ensuring the life of the floating shelf. Our hidden floating bracket will be hidden inside the shelf, and the shelf will float,This way you don't have to worry about unsightly metal fittings affecting your home decoration layout, Create shelves that appear to float on the wall - beautifully modern visual display or storage. Our products are very easy to install, just screw on a few screws, They are suitable for use in dry walls, concrete walls, or brick walls to keep floating shelf brackets intact. You can hang the floating shelves to display books,plants, photos,antique keepsakes,kitchen goods and other decorations, Easily install your favorite shelf in home office, bathroom, kitchen, living room, dining room, bedroom, garage and even front porch, Can be used in area with limited space, or hang a invisible shelf on wall.