Heavy-duty steel rack made of cold-rolled metal, thick posts and beams keep it steady and hold up to 2500 lbs. No tools needed interlock the parts and finish setup in about ten minutes. Shelves slide up or down in seconds and can be split for custom layouts. Double-layer uprights add strength, cut sway, and resist warping for long-term use. Each unit is checked three times for strength, load, and finish, and support staff reply quickly to questions. Weight: 0.87 g (1.92 pounds). Length: 15.70 inch. Width: 39.40 inch. Height: 62.99 inch.