Thank you for bringing this to our attention. According to the operating instructions, no rollers are recognisable. We will adapt the description accordingly: https://www.techly.com/amfilerating/file/download/file_id/14527/

No, you don't need to attach the bracket. In our house, the stand is on the wall and is not screwed on. The TV holds perfectly, unless of course you tug at it, but otherwise nothing tilts even without a screw in the wall.

It's not thick at all. I would have said a maximum of 10mm.

I think this combination works.

No, you don't have to screw it to the wall.

Not the base itself. The rails, which are screwed to the TV, offer 3 heights for hanging. The hole pattern of the rails also offers some room for manoeuvre, depending on the TV.

Ca. 5cm.

Yes, if your TV has the appropriate preparation for a VESA 400 x 400 mm wall mount. You can find this in the product specifications of your TV.

Hi The height from the floor to the lower edge of the horizontal black mounting panel is 104 cm.

Depends on whether the mounting area of the stand is not larger than the rather small monitor. It would be unattractive if the rod were to protrude behind the monitor... So: check the exact dimensions of the stand...

Basically, the LG G series (Gallery Design) is designed for gapless and flat wall mounting. So mounting it directly on the wall would make more sense and definitely looks better. The stand would be too unstable for free-standing in the room (I use this stand with a 65" OLED, but not free-standing).

Drilling is optional. In my case, the TV is perfectly fixed to the wall even without drilling. However, "only" a 50" TV is mounted, whereby the size should not make any difference in my opinion.