Rust-resistant matte black floating shelf bracket. The metal shelf brackets are made from 1/5-inch thick solid cast iron and are painted matte black to high quality standards and will not easily scratch or pinch. We strictly focus on quality control, you can shop with confidence. Please note that the board is not included. Thick, multi-sized premium shelf brackets with hardware accessories. Included in the package are solid long screws for heavy-duty bracket support and short screws for the board. The stands are 1.6 inches tall, and they can complete your shelf if your boards are up to 1.6 inches thick. The invisible appearance of the stand makes your shelf neater and more stylish. 90 and fully countersunk design. Shelf brackets can be used both up and down, they are precise 90 degree industrial wall shelf brackets. The holes in the iron brackets are countersunk, which means all screws can be drilled smoothly and invisible. Floating Invisible L Shelf Bracket for home improvement, decor and storage. Decorative L shelf bracket for home, living room, kitchen or bathroom, indoor or outdoor, can be used for bookshelf, wall shelf storage, garage shelving heavy duty.