Size: Actual shelf dimensions are 12"d x 17.625"w Durable: Our heavy-duty wire shelving unit holds 600-800lbs per shelf when evenly distributed and is NSF-certified shelving, perfect for indoor, dry storage applications.” Adjustable: Shelves are easily adjustable every 1" along the posts, allowing you to create an ideal storage solution for your house, bathroom, garage, or office in whatever way you need to provide high volume, easy-to-access storage Simple: To securely set and easily release shelves, tap their corners with a rubber mallet. This product cann't be stacked, Leveling feet add 1” to height of unit Note: This product will potentially ship in multiple boxes due to the size of the shelving unit Shelving Inc. has been serving business and industry storage needs since 1960. We offer the finest quality storage products available to furnish your industrial storage space including rivet shelving, metal shelving, and pallet racking. Our catalog includes hard-to-find sizes of shelving and racks that can bear the heavy weight of rated loads, making them the best choice to assist in space allocation and material organization. Best of all, they're created with ease of installation in mind to make building, adjusting, and fitting into your kitchen, basement, office, garage, industrial space, or warehouse a breeze!