This square column base connector (column shoe) is designed for on-site welding of steel structures. It features a base-plate-free design and can be directly welded to steel beams or steel plates. The product dimensions are 4*140*140*120mm, offering excellent load-bearing capacity. Suitable for bottom connection and reinforcement of various building columns, it is easy to install and effectively enhances structural stability. Ideal for construction sites and heavy steel structure projects.