This four-tier heavy-duty storage shelving unit is a practical and useful item for enhancing the storage capacity of a space. With a calm and imposing black as its main color tone, it can be easily matched with various home or work environments. Whether it's a warehouse, a garage, a studio, or a home storage room, it can blend in effortlessly. The overall dimensions are 36 inches in length, 14 inches in width, and 54 inches in height. It occupies a small floor area but has ample vertical storage space. Made of heavy-duty materials, it is sturdy and durable. Each tier of the shelving unit has a strong load-bearing capacity and can easily hold various heavy items, such as tools, boxes, books, potted plants, and so on. The design of the four tiers reasonably divides the space, making the classified storage of items more orderly.