Fermod, RSUP-4X6-N, Fermod customized layout for Norlake 4' x 6' walk-in cooler, Shelving Unit Plastic with Metal Post, (2) 18" deep x 38" length x 71" high shelving starter units, (4) 18" deep x 26" shelves, (8) 18" corner connectors, tool-free assembly, includes (4) sets of (2) horizontal shelf rails, removable vented polymer inserts, pre-installed adjustable composite feet, posts pre-drilled with 11 standard positions, 800 lb. capacity per shelf, 2,000 lb. capacity between two uprights, 20 micron deep anodized aluminum, NSF certified, lifetime warranty against rust and corrosion