This black shelf bracket is made of high quality solid steel at thickness 0.2", which make it more durable and sturdy. The weight capacity up to 88lbs per pair. Finished by black power coated, create a smooth and matte black surface. Benefit for preventing rust and scratch. Each one is guaranteed to be 90 degree, ensuring strong withstand. The wall shelf bracket with lip, which aim to lock the board, prevent wood slipping. Use these black floating shelves and shelf brackets just about anywhere.These black shelf brackets not only decorate your home with a modern style, but also great for adding extra storage space for even the smallest rooms. No special skills are required to mount these shelf brackets on wall. Screws and wall anchors included for instant and perfect installation. (Wood board is Not included). These steel shelf brackets are suitable for most decor style of residential or commercial interiors