The Fleximounts 24 x 48 -inch garage shelving is made of heavy gauge cold rolled steel. It can safely hold up to 400 pounds total. The low-profile bracket design of this Fleximounts wall shelf, in a 2-pack, gives the garage, small pantry or kitchen more space. The item comes with all necessary harewares. High quality screws provided. All hardwares have gone through strict tests. In order to help one-person Diy installation, Fleximounts designs the template to help mount holes and bubble level to help get perfect horizontal location. The units can be mounted side by side or stacked one above the other. The versatile design gives users a variety of storage options with this shelf. Fleximounts wall shelf is suitable for securing to either wall studs or solid concrete wall. Our garage wall racks come with five different sizes to help you to get the best fit: 1'x3' 1'x4' 1'x6' 2'x4' 2'x6'.