High-Quality Material: Invisible shelf brackets are crafted from excellent iron metal with smooth edges, ensuring robust, oxidation-resistant, scratch-resistant, rust-proof, and durable performance. Space-Saving Functionality: A sleek and space-saving storage solution that eliminates clutter. The strong load-bearing capacity ensures stability, so you don't have to worry about the shelf wobbling or falling. Stable Design: The unique invisible shelf bracket features a triangular structure design that neatly conceals itself within your wooden board, creating a seamless floating effect. Wide Application: Suitable for various uses, including shelf brackets, cabinet brackets, furniture shelves, kitchen cabinets, and more. Perfect for displaying books, vases, photos, and other small accessories on a floating shelf. Package Includes: A pack of 4 hidden shelf supports and 16 screws. Ideal for bedrooms, living rooms, balconies, dining rooms, restaurants, and offices. Total dimensions: 170 x 130 mm (6.69 x 5.12 inches).