Stanley Professional Organizer -- inserts (stackable)

These are custom inserts for the [Stanley Professional Organizer](https://www.stanleytools.com/products/tool-storage/tool-organizers/professional-organizer/014725r). This is the shallower version of the two Standley organizers that are sold in hardware stores.

These inserts fit into the large container and subdivide it into smaller units. This version is stackable so there is a lower layer (no external walls) and an upper layer (with external walls). The upper layer is easily removable so you can access the lower layer.

The lower layer fits into the bottom of the large container. You may need to sand the outer edge of the lower layer base alightly as the tolerances of the containers vary. It is designed to fit nice and snugly into the bottom. The fit is tight enough so it doesn't fall out but can be removed with a little effort.

The upper layer is a tray that sits on top of the lower layer. It is slightly smaller than the container so it fits in perfectly. You should be able