Wire Shelving Starter Kit, Four-Shelf, 48w X 18d X 72h, Black Anthracite Ideal storage solution for your heavy-duty storage requirements. Black Anthracite finish is National Sanitation Foundation (NSF) certified for wet and dry environments. Open design that allows for air circulation. Snap-together design assembles in minutes. Can be set up as a four-tier single rack or as two two-tier racks to meet specific needs. Shelves adjust in 1" increments.