Medium Duty I(A) Rack Large load bearing capacity reaching 300kg/layer,simple structure, easy assembly and disassembly, and limitless connection. Steel layer plates can be arbitrarily adjusted up and down at 50mm steps. Rack consisting of vertical columns, crossbeams,narrow hanging, wide handing ,layer plates, safety pins, limiting nails and plastic footing. Parts: upright poles, layer plates, crossbeam, narrow handing, wide handing, safety pins, limiting nails . Material: Q235 Max load capacity: ≤300kg per layer