Ordered a set and installed and the trouble started, stem broke on one. The next day another broke,  waiting for the next wheel to go.

I used these ball casters to replace the old ones on a Thomasville server that is quite old, it was given to me by a friend and the old rollers made marks on my nice wood floor, therefore we have a nice replacement and can now feel comfortable in roller the server where ever we find it useful. Thank you.

I would not rate this Caster as heavy duty it is only rated up to 170 pounds . It does not take very long to load 170 pounds of weight on a caster no matter what you are using it for .

For about 12 years now I've bought 5 sets of mostly 3" poly casters for my various mobile power tools, the most recent being a larger 4" set for the new workbench i'm finishing. Although I recently had some material break off one wheel on my clamp rackapprox. 9-10 yrs. old, these have served quite well despite enduring a mostly non-climate controlled midwest garage shops. The only change I would ever make would be to make the brake release "button" a bit more accessible, although the small end of a tack hammer head works pretty good.

I used four of these casters on a shopmade router table cabinet, and would never  use them again. Every single time I attempt to move the cabinet, the two wheels on the the side furthest away from the push/pull force always decide to set themselves at about a 30 degree angle from the direction I am trying to move the cabinet. The result is that I have to exert considerable sideways force to get the cabinet to travel the direction I want. This is very annoying.