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 ate 50mm steps. Rack consisting of vertical columns, crossbeams, narrow hanging, wide hanging, layer plates, safety pins, limiting nails and plastic footing. Upright: 55x55x1.5mm Size: 1200(L)x470(W)x1500(H)mm,1500(L)x600(W)x1800(H)mm, 1800(L)x600(W)x2000(H)mm, 1800(L)x720(W)x2400(H)mm