Easily attaches to existing Super Adjustable Super Erecta structures Open-wire shelves minimize dust build-up and increase visibility of stored contents 24-48"w shelves accommodate up to 800 lbs, evenly distributed 60" and 72"w shelves accommodate up to 600 lbs, evenly distributed Patented Corner Release System quickly and easily adjusts shelves in 1" intervals Posts include adjustable leveling feet for added stability on uneven floors Recommended for use in dry, low humidity environments We also offer our Shelving Inc. wire shelving components todesign your own wire shelving. Please note, Shelving Inc. brand products may not be compatible with Metro products. For questions or help in ordering, please call 1.800.637.9508.