3/4" Dowel Bracket
This bracket fits a 3/4" dowel. I used it to hang dowels under my 3d printer table as filament racks. It will flush mount a 3/4" dowel rod. This might fit a 19mm dowel too if that is the size they make in countries that use a measurement system that makes sense. It was designed for what is available here and that is an imperial sized dowel.