Create visible accessible storage space instantly with Whitmor s Supreme 5-Tier Shelving Unit. These heavy-duty steel shelves boast an enormous amount of space and shelving that lets you organize in a neat and tidy manner. This durable shelf unit is constructed of heavy-duty steel and features five adjustable shelves that can hold up to 350 pounds on each shelf with a maximum total capacity of 1 750 lbs. The shelves are adjustable in 1-inch increments to accommodate items of different sizes. This shelving unit has adjustable leveling feet for stability on any floor surface. They are NSF certified which gives them a grade for certified commercial kitchen use. You can assemble this unit in minutes with no tools required. Easy to clean just wipe with a damp cloth and towel dry. Adult Use. Whitmor is a 4th generation family-owned and operated business. Since 1946 Whitmor has been dedicated to bringing organization home by creating products that simplify everyday life. Ensuring that those products are built with integrity value and innovation is our commitment to you. And our promise is that we will always be here for you should you ever need us as we stand behind our product 100%. Whitmor customer service is available in English and Spanish Monday through Friday from 8 am - 4:30 pm CST. Call us and we will gladly assist you in your language. You may contact Whitmor toll-free at 1-888-944-8667 or via email at [email protected].