72"H Black Steel Garage Shelving, 5 Tier 40"W Shelves, 16"D Adjustable Height Shelf, 3000LBS Heavy Duty Rack, Multipurpose Shelving for Home Balcony Warehouse Factory & Book Storage

This 5 Tier Metal Bookshelf, with dimensions of 40"×16"×72" and an industrial black finish, is a heavy-duty deep bookcase suitable for bedrooms, living rooms, and libraries; it features a total load-bearing capacity of 1500LBS (300 lbs per shelf) thanks to 30% thicker premium steel, double-layered uprights, and reinforced shelf bases, ensuring no wobbling or sagging and sturdiness for textbooks, toolboxes, and potted plants, made of high-grade metal with a powder-coat finish that resists rust, corrosion, and scratches for longer service life than wooden shelves (suitable for basements and garages), comes with a 10-minute bolt-free, tool-free interlocking design with safe rolled edges for easy assembly even for non-DIY beginners, has fully adjustable shelves for different-sized items and a 2-in-1 design that can be split into two separate shelves for versatile use, and includes anti-tip connectors, gloves, a rubber mallet, and clear instructions with 24/32 customer support available.