Expandable steel shelf telescopes 40-73 in long, 12 in deep, 8 in high installs in minutes without tools. Wall brackets fit side or back walls, spread load evenly, keep shape. 2 mm thick steel tubes, 25 mm diameter, hold 220 lb on drywall, no studs needed. Use in closet, bath, kitchen, garage, over washer or fridge. Set: 5 tubes, left/right/center brackets, screws, driver, level. Weight: 5.60 pounds. Length: 12.00 inch. Width: 73.00 inch. Height: 8.00 inch.