Technical Specification Item Mobile Shelving Unit Material Polypropylene Shelving Style Open Color Brushed Graphite Shelf Material Polypropylene Number of Shelves 4 Standards NSF Includes (4) Mobile Posts Without Leveling Feet, Post Connectors, Wedges Installed, Bag of (32) Mobile Traverse Dovetails Vented Shelf Plates, (8) Mobile Traverses, (4) Premium Casters, Instructions This listing is for each. This item requires special shipping, additional charges may apply.