It does not withstand impact force and breaks as it is made of ceramic material. Mine broke after a year or many months and now it has a crack. It always needs a metal frame to withstand moderate impacts but not particularly strong ones. It is good for small jobs but loosens over time. 3 stars.

I have had it for years for small jobs, it's great!
It can withstand a lot of force and the bottom spindle doesn't easily break.
After so much use, the rubber cushions have worn out, but it's partly my fault because I have put it under a lot of stress in the past (I have even cut pipes on it).
I give it 5 stars because it's for small jobs, but it can also withstand heavy use.