Product Description: 【Durable Metal Board & Height Adjustable】Constructed with a heavy-duty metal frame, the shelf is rustproof, sturdy and durable. The storage shelf is made of four metal round tubes with a diameter of 2.54cm and five layers of 3.55cm metal laminates. The shelving units and storage can be adjusted up and down except for the top layer ( adjustable height range of each storage board is about 8cm). 【1250LBS Capacity Storage Shelves】The size of the shelving unit is 35.8"W x 13"D x 59.65"H. The 5 layer storage board increases the storage space of the shelf. Constructed with a heavy-duty metal frame, this durable storage rack each tier holds up to 250 lbs, total max load weight is 1250 lbs. 【360° Rotating Wheels & Adjustable Feet Optional】The adjustable heavy duty Storage Shelves come with 4 lockable universal wheel and 4 adjustable feet. Adjustable feet help you balance on uneven ground. 4 rotatable and lockable wheels for easy movement, you can easily move the metal storage shelf to any space such as kitchen, living room, or garage, and lock the wheels when you don't need to move. 【Multipurpose Storage Shelving】With the strong loading design, the storage shelves for heavy-duty fit anywhere like the garage, warehouse, basement, kitchen, living room, closet, bedroom, office, it is a perfect choice for creating functional storage space. 【Easy to Assemble】The 5-tier metal storage shelves only takes 20 minutes to assemble it all, and comes with simple and clear assembly instructions, making installation easy.