FLEXIMOUNTS 4x6 Heavy Duty Overhead Garage Adjustable Ceiling Storage Rack, 72" Length x 48" Width x 40" Height, White Intergrated grid design for easier installation, compared to other racks which need separate installation of the frame and wire Innovative construction design: The wire and the frame are welded. More study and stable. Cold-rolled 14 gauge steel made rack can hold up to 450 pounds of distributed weight safely and effectively. High quality screws provided. All hardwares have gone through strict tests. Dimensions: 72 in. L x 48 in. W x 22-40 in. H; Height adjustment: From 22 to 40 inches