[Material] The triangular shelf brackets are made of galvanized iron, which is stronger for bearing heavy loads than other materials. The surface is treated with high-temperature black baking paint, the anti-rust and anti-corrosion design makes the floating shelf bracket more durable. [Hidden Design] The floating shelf brackets are different from other shelf brackets. The triangular design increases the modern feel of your room, can also save a lot of space and make your home look neat and clean. You can widely use it in the living room, bedroom, kitchen, bathroom, garden, garage, utility room, etc. [Recessed Design] The screw holes on this bracket are countersunk screw holes, so that the screws are flush with the bottom after installation, ensuring that the bracket surface is completely flat with no gaps between the shelf bracket and the shelf after installation. [Product Size] Overall dimensions: 140*131*27.3mm (L*W*H), Thickness: 3mm. For more detailed size information, please refer to the picture. Installation screws and wall plugs are included in the kit. All screws are individually packaged in bags to prevent scratches during transport. [Rierdge Promise] The package includes 4 pcs shelf brackets, 16 pcs screws and 8 pcs plastic wall plugs, which meets your needs in quantity. Please note 1. Colors may differ due to different monitors, please understand. 2. Please allow 1-2mm error due to manual measurement. Please make sure you don't mind before bidding.