5 Tier Black Epoxy Wire Shelving Add-On Unit, 30"W x 21"D x 74"H. Add-On shelving units allow unit expansion to make the most of storage space. Includes 2 posts with leveling feet, 5 shelves, snap-on sleeves and S-hooks to join units. Black Epoxy is an attractive, rugged and affordable finish. This epoxy wire shelving is NSF approved for wet or dry use. Reinforced shelves with welded surface ribs for added strength. Open design to maximize air and light circulation and minimize dust accumulation. Includes 5 shelves, 2 posts, snap-on sleeves and S-hooks to join units. Shelves easily adjust without tools at 1" increments. NSF approved for wet or dry use. , Lot of 1