Design your own 4-tier heavy-duty aluminum shelving unit below. Choose the shelf size and post height that works for you, and add casters if desired. Shelf has 3 lattices approx. Not enough storage? See the15"d H.D. Aluminum Shelffor additional shelves. Looking for a different height? Call our friendly, helpful sales staff at 1.800.637.9508. Note: Solid Brute, T-bar, and H.D. shelves of equal sizes may be used together on one unit. Call us to order customized kits at no additional cost!