Product Description? Multipurpose: NOTE:DO NOT MOVE while loaded. Dimensions: 48"L x 18"W x78"H (With stationary feet) Dimensions: 48"L x 18"W x82"H (With Wheels) The steel wire of the storage shelf is very durable, so it can hold a lot of things. User-friendly Design: ?No tools required to install, you can install the wire shelving within 10 minutes. ?The cart has 4 omnidirectional wheels, 2 of them with brackets to lock the cart when needed. ?You can adjust the height of the storage shelves according to the size of the item. About 6 Tier Metal Shelves? --The metal shelf is made of high quality metal provides exceptional strength and stability. --The wire shelving unit have clean appearance with contemporary good looks that will nicely complement surrounding decor. --This heavy duty garage shelving can hold up to 2100lbs. Storage shelf metal rack wire shelving unit wire shelves heavy duty with wheels 6 tier overall garage rack storage rack.