It features an attractive appearance, easy assembly, and the steel layer boards can be adjusted up and down at any position with a spacing of 55mm. Multiple sets of lightweight shelves can be connected to enhance the overall stability of the shelves. It is convenient for manual storage and retrieval of goods, safe and reliable, with flexible structure, easy disassembly, convenient adjustment, strong modifiability, wide range of applications, and suitable for light-weight work environments such as small parts and accessories.