Fermod, RSUP-12X8-K, Fermod customized layout for Kolpak 12' x 8' walk-in cooler, Shelving Unit Plastic with Metal Post, (2) 22" deep x 42" length x 71" high shelving starter units, (2) 22" deep x 42" length x 71" high shelving extension units, (1) 22" deep x 35" length x 71" high corner shelving kit, (4) 22" deep x 52" shelves, (4) 22" 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