Vertical shafts combined with four-corner plates and iron wheels are widely used in various structural systems, such as workbenches, display racks, storage racks, operating tables and furniture structures.

The structural design of these components not only has excellent stability and support, but also remains strong and durable under different environmental conditions. The combination of this type of caster upright shaft and wheel body can effectively improve the operating efficiency of the overall structure and extend its service life. It is suitable for Suitable for use in various industrial, commercial and household environments.