Salsbury Industries Mobile Wire Shelving Unit, 48-Inch Wide by 69-Inch High by 18-Inch Deep, Black Assembled Dimension: 48" W x 69" H x 18" D Feature 4 adjustable shelves with total cart capacity up to 600 pounds Each shelf is adjustable in 1" increments that can accommodate contents up to 150 pounds evenly distributed Feature 4 heavy duty 5" locking casters that provide precise maneuverability Each wire shelving unit includes 4 posts with adjustable feet, 4 adjustable shelves, 16 shelf clips and 4 locking casters