Our kitchen bakery rack is crafted of high-tensile and heavy-duty Aluminum that is rust and corrosion-resistant. Open shelf is convenient for you to reach or take the pan from the rack. Compared with other metals, the aluminum Rack is very light, which makes it easy to move and easy to handle. The tensile strength of pure aluminum is one-fifth that of low carbon steel. The overall structure is designed as a hexahedral frame with additional support in the middle, which is very firm. Easy to store items, keep the kitchen clean and tidy. With the large space design on the 20 tier, you can put a lot of things on the shelf with a tray, which will make your room orderly, bid farewell to clutter, and enjoy the cleanliness. There are 4 wheels at the bottom, Omnidirectional wheels allow for 360-degree turning maximizing maneuverability, Excellent for transporting to and from, 2 wheels are equipped with brakes, which can be locked and fixed to the position you want at any time. The 20 tier kitchen baking rack is very easy to assemble. It takes you a short time to complete the assembly according to the attached installation instructions