Supports Sturdy Shelf Brackets: L-shaped shelf brackets are made of high quality solid steel. 0.2"/5mm thick, making them more stable and won't sag or bounce. Their shelves have a load capacity of up to 180 pounds when properly mounted on the wall. Decorative and Practical: Use these black floating shelf brackets virtually anywhere for a modern look and extra storage in your home, kitchen, bathroom, bar, office, farmhouse or anywhere else you need open shelving and decor. Superior Quality and Durability: Each support is made from one piece and its quality is checked with a right angle. 90 degree angle. Finished with black coating to prevent rust and scratches. Each support is guaranteed straight and square ; and of a quality exceptional. Easy Installation: No special skills are required to mount these open floating shelf brackets on the wall. Two types of anchoring were used. Included for brick walls and concrete walls.< /p>