If the buckle of the toolbox is broken, you can find an elastic plastic and stick the broken part with hot melt adhesive. The buckle of the toolbox is broken. Generally, it is easy to break down after long use. You can find an elastic plastic and stick the broken part with hot melt adhesive. Another method is to find a box with an iron ring buckle, remove it, draw lines in the toolbox where the iron ring buckle is installed, punch holes, and then fix it symmetrically with screws.