Height adjustable shelf: The height of each tier is adjustable to meet your different storage needs. There are many positions with the same spacing on the columns. You can snap the boards in for ideal height. Boltless design for easy assembly & disassembly: Due to the boltless design, it is easy to build this metal-frame storage rack. A rubber mallet is recommended for assembly. It can be disassembled to save more space and for convenient transport. Widely used: Combining simplicity with practicability, this boltless storage unit is suitable for storing and displaying in many situations, such as in the kitchen, garage, office, supermarket, warehouse, convenience store, etc. Protective rubber pads: This black goods organizer is equipped with rubber footpads at the bottom of the legs. These pads effectively protect the floor from being scratched. The footpads also add extra stability and avoid the rack sliding accidentally. Metal storage rack: The goods rack is built by the galvanized metal frame and durable MDF boards. The metal frame has been powder coated to give it the special look. The 5-tier rack has a load capacity of 150kg/330lb per tier (evenly distributed).