The shelf height can be freely adjusted according to the size of the item, without professional tools, easily adjust the layer spacing, so that you can flexibly arrange space according to storage needs, maximize the use of storage space. bright blue orange collocation, not only stable and durable, but also add vitality to the working environment. Suitable for commercial warehouses, workshops, offices and even home use, to meet the storage and finishing needs in different environments. Built with high-quality steel, each layer of shelves can bear up to 1,100 lbs. and 4-layers of design can bear a total of 4,400 lbs. suitable for storing heavy items, such as workshop tools, warehouse goods, etc. to provide solid and reliable support for your storage needs. Material: Metal.