Premium MaterialWall mounts are well made with full metal iron construction, solid, durable and sturdy. The surface of our J-Brackets is coated with black epoxy finish, anti-corrosion and anti-rust. Load CapacityFor heavy duty brackets, each pair can support a maximum of 15kg / 33lb when properly installed. If you want to use them for larger loads, you can install more of these brackets on a floating shelf. Easy to InstallThe floating wall mount package comes with all the necessary parts. 4 pre-made holes in each bracket ensure quick and easy installation. Ideal for installing on drywall, concrete and wood. Package Included4 x Shelf Brackets3 sizes to choose from. Wide ApplicationThese shelf brackets with wide application and good decoration purpose. Perfect for small/medium bookshelves, exhibition stands, garden shelves, outdoor wall brackets, cabinets, chairs, furniture, etc.