5 Tier Storage Shelves, 2200LBS Adjustable Metal Shelving Unit, Black, Needs Assembly .This metal shelf is made of high-strength quality metal and reinforced columns, with a load capacity of 440LBS per layer, and a total load capacity of 2200LBS, more stable, can store more products.Can adjust the height of the shelves according to storage needs through the connection of the pillars. It can also be disassembled into two small units, used as a small workbench or desk, saving more storage space and storing items of different sizes.Metal shelving unit suitable for home, garage, workshop, shed, warehouse, supermarket, office, gym, school, etc. Greater storage space, more storage options.[Quick Assembly] This storage rack features an interlocking design, requiring no screws or nuts. We have provided the necessary instructions, gloves, and installation hammer for this. Simply press it into the desired position, tap the frame into place, and it's completed in a simple and fast manner.