The FLEXIMOUNTS 3-Tier Storage Wall Shelves made of heavy gauge cold-rolled steel. It can safely hold up to 100 pounds per shelf. The patent design in the structure of this FLEXIMOUNTS wall shelves, gives the garage, small pantry, or kitchen more space. Height adjustable for each shelf to meet actual needs. The item comes with all the necessary hardware. High-quality screws provided. All hardware has gone through strict tests. In order to help one-person DIY installation, Fleximounts designs the template to help mount holes and a bubble level to help get the perfect horizontal location. The versatile design gives users a variety of storage options with this shelf.