[3mm galvanized iron-support 125 pounds] The shelf bracket is made of galvanized iron, which is stronger than other materials A pair of triangular brackets can support a maximum weight of 120 pounds The surface is treated with high-temperature black baking paint, anti-rust and anti-corrosion design, making the floating shelf bracket more durable [Counterbore screw hole design] The bracket has been upgraded to the old version of the countersunk screw hole After installation, the screws will be flush to inverted, so the surface of the bracket is completely flat, and there is no space between the shelf bracket and the shelf after installation [Triangular appearance and hidden after installation] The shape of the floating shelf bracket is different from other shelf brackets The heavy-duty corner guard is only 1 inch (about 2 6 cm) high, so you can easily hide it between the wall and the shelf The triangular design enhances the modern fashion sense of your room, and can also save you a lot of space and make your house look neat and clean [Easy to install and versatile] Installation method: Use a drill to dig holes in walls and wooden boards Install screws to fix anchors Tighten the screws with a screwdriver Install a beautiful decorative shelf bracket, which can be installed without special skills You can be widely used in living room, bedroom, kitchen, bathroom, courtyard, garage, tool room, etc Size: 80x100mm/3 14x3 9inchColour: blackMaterial: metalPackage Contents:4 * Shelf bracket8 * 4 2x32mm screws8 * 6x30mm nylon expansion tube8 * 3 5x19mm screwsOnly the above package content, other products are not included Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing The measurement allowed error is +/- 1-3cm