Best Shelves: A--Bonus 4" Wheels + Leveling Feet - Includes smooth-rolling caster wheels (2 locking) for easy positioning in your garage, office, warehouse, workshop . B--storage shelf is a very tall unit 82"H with wheels, metal Rack has a lot of storage space which is what you need for your kitchen, Garage, restaurant. WARNING: CHOKING HAZARD -- Small parts. Not for children under 3 yrsmercial-Grade Shelving: ?Storage shelf’s layer can be set at any height for your individual needs. ?Metal rack could accommodate a variety of items. ?Wire shelving Unit have helped in organizing garage, kitchen, office and so on. NSF-Certified Metal Wire Shelving: The steel wire of the storage shelf is very durable, so it can hold a lot of things. The total weight limit of the whole shelf is 2100 pounds when equally distributed on feet levelers. Weight limit of each Wire Shelving is 350 pounds when equally distributed on feet levelers. Maximum entire unit weight capacity is 500lbs when equally distributed on casters. Dimensions: 48"L x 18"W x78"H (With stationary feet) Dimensions: 48"L x 18"W x82"H (With Wheels) storage shelf metal rack wire shelving unit wire shelves heavy duty with wheels 6 tier garage rack layer shelf for pantry kitchen black overall organizer unit durable steel wire layer shelf unit multipurpose unit storage rack