When floor space is limited, these brackets offer the support you need to stay organized. Mounting our18"d black wire shelves(not included) directly to the wall, they optimize unused areas with sturdy storage that keeps items visible and within reach.Sold individually. Single bracket holds one shelf and installs at ends (two required per shelf) Add-on bracket holds two shelves side-by-side, installing between shelves to extend existing setup (requires single bracket at start and end of shelving run) Durable black epoxy-coated steel construction resistant to rust Comes out 20" from wall, highest point is 7.5" Suitable for dry and moist storage environments Includes mounting plate and screws