You require to recognize of what purpose your shelf is mosting likely to be used for. If it is to hold lightweight things, after that a simple drifting wall rack would certainly suffice. However, if you are going to position heavy tools, publications and also things on it, it just makes sense that you get a strong steel or wood rack with correct brackets for assistance. You do not intend to obtain a shelf that is unable to hold the weight of your stuff, and eventually collapsing down. Constantly check just how much can a certain shelf or bracket hold before making your decision.