We bought two of these and while one of them was fine, the other one has a manufacturing flaw. The "ceramics" (where you screw the lightbulb in) screw into the bar, but one of them had such a short amount of thread that it was not fully engaged with the thread in the bar. While attaching the glass globe, it disengaged from the bar. It was extremely difficult to re-attach the threads and I had to improvise in order to make it work. This took a substantial amount of time and troubleshooting to finally install the fixture and have it reliably hold together.