Why choose our shelf brackets? These shelf brackets are made of quality material. It builds to resist daily scratches, corrosion and tarnishing. Allowing it to remain looking its best for longer. The shelf bracket is made of metal with good paint, strong enough for installing shelves, furniture and wall shelves, and so on. Features - Color: Black. - Material: Metal. - Size: About 15.00X13.00X4.00cm/5.89X5.11X1.57in. - Our floating shelf brackets made of thick iron, strong durable, thickness metal sheet with a smooth surface. - It will not be as fragile as the wall shelf brackets of on the market. - Easy Installation, each corner bracket comes with pre-drilled screw holes to guide you through the process. - Comes with complete hardwares screws for quick and easy to install the L shape bracket. - They can be installed in almost any place on any level for a range of options. Package list: 4 x brackets 12 x screws 12 x expansion screws