Quantum Heavy-Duty 20-Gauge Industrial Steel Shelving - 7 Shelves, 36in.W x 12in.D x 99in.H, Model# 20G-99-1236-7 X-shaped antisway braces provide more support and increased rigidity Braces cover perimeter of rack instead of aligning at just one point Roll-formed steel-ribbed shelves Reinforced front and rear edges Shelves easily adjustable on 1in. centers