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Taiwanese product vfm.
I also have a similar one from another company at four times the price, and the difference is that the other one has ridges on the metal, where the belt grips to prevent slipping easily. Unfortunately, this one does not have that.

Anyway, for the money, it gets the job done.
Health

I used it on natural stone and cement joints. It doesn't completely remove stains but does a decent job. Health

Taiwanese product vfm.
The handle is sliding, it is not fixed and is convenient.
I mainly use it for tightening collars.
Health

As described, it is a 6 and 7 hex socket and accordingly takes bits or small sockets. Very good in durability for spiral. I mainly got it for tightening collars and it really makes life easier. Health

I installed it in a bathroom vent after removing its mother's backflow gel because it was making noise. It does its job correctly so far, and time will tell about its durability. Health