This rolling cart adopts high quality 2.5" mute nylon caster wheels. In addition, the wheel's double screw design make it easy to adjust the height to adapt to a variety of ground without any scratches. Features: - Even when packed with heavy items, it can move easily with little effort. - This is a great rolling storage organizer. It can be used as an art cart, bathroom cart, bar cart, craft cart, organization rack, rolling shelf, serving cart, storage shelves, tools cart, etc. - You can push and pull the metal cart around safely and conveniently with the cambered handle. Remove the handle and plug the pipe orifice with the complimentary pipe plug to meet your different needs. - The storage rolling cart is well-constructed, sturdy, durable to use for many years. Per shelf has a weight capacity up to 10KG - Equipped with simple assembly instructions