Fermostock Shelving Unit Corner Expansion Kit, 4-tier, 71''H, 64''W x 22''D, 600 lbs. max weight per shelf, includes (1) upright & (4) angle connections, -40 to 140 F (-40 to 60 C) operating temperature range, adjustable composite feet, tool free assembly, removable polymer inserts (dishwasher safe to 212 F), 20 micron deep anodized aluminum, NSF (Made in France)