21"d x 21"w Wire Shelving Add-Ons w/ 5 Shelves Variants:Chrome Wire Shelving Add-On with 5 Shelves - 21"d x 21"w x 96"h (AOWS212196-5S) Leveling bolt provides stability on

Leveling bolt provides stability on uneven surfaces

Whether placing units end to end or creating L-shaped corner storage

Adjusts shelves on 1-1/2" centers

21"d x 48"w Metro Super Erecta 5-Shelf Wire Kits - Black

These small shelves are perfect for those organization projects that need heavy-duty support in a tight space

21"d x 21"w Wire Shelving Add-Ons w/ 5 Shelves Variants:Chrome Wire Shelving Add-On with 5 Shelves - 21"d x 21"w x 96"h (AOWS212196-5S) Leveling bolt provides stability onInstead of investing in an entirely new system, attach this add on wire shelving to your existing 21"d starter solution for more storage space. Attaches to existing starter unit to extend length of shelves for more storage space Durable chrome plated steel construction 800 lb capacity shelves can be adjusted easily in 1" increments along posts Made for indoor use, dry storage only NSF approved S Hook 2 Pack required per extra shelf To securely set or