Hi thanks for looking at our advert for our solid steel shelving brackets These shelf brackets are 100mm x 100mm, 100mm x 200mm or 100mm x 300mm and are folded from 40mm x 5mm solid steel. These heavy duty shelf brackets can be polyester powder coated to any of our 30 standard colours (see colour chart in pictures) You can even order single brackets in different colours if you going for a funky look!!! Basic Plugs and screws are required for installation however you must ensure these are suitable for the substrate you are fixing to. It is the buyer's responsibility to ensure the brackets are installed safely by a competent person. Note: We now offer colour matched screws in all of our standard colours, please see our item number - 284530097391 All metal shelf .