GenuineMetro Five-Tier Wire Shelf Unitsare perfect for heavy duty storage where you need it most. Super Adjustable Super Erecta Shelving has a convenient lever on the corner of each shelf to lock it securely into place. Once lifted, the shelf pops off the plastic clips and can easily be readjusted to any height. The posts are notched and numbered at every inch for easy assembly. *Please note, Metro Shelving products are not interchangeable with Shelving Inc. brand products.