Stable Bracket: These shelf brackets are made of high quality iron, powder coated surface, unique matte black color, strong, durable and not easy to break. Two Installation Types: You can mount the board on the top of the shelf bracket or the bottom of the shelf bracket, which can achieve two different visual effects. Installation Dimensions: Recommended use of wooden boards with a thickness of 2.5cm to 5cm and a width of 15cm to 18cm, it is not limited by the thickness or width of the board. Wooden boards are not included. Versatile Shelf Brackets: Suitable for indoor and outdoor wall storage and organization, home and business occasions, for decorative shelves in living room, plant shelves in garden, storage shelves in kitchen, display shelves in cafe and bar. Heavy Load Angle: Applying the principle of triangle stability. Each pair of shelf brackets can support a maximum of 40 kg. For large shelves with quite heavy items.