Electric Tabletop Belt Disc Sanding Machine Household Grinder Polisher for Wood Metal Knife Sharpening DIY Projects

It works well, but the switch part is broken. It's not a part that can break, but it's a part that I don't understand.

I received the product in good condition, but the motor rotation seems a bit slow. Still, the product seems well-made, and I will make good use of it. It would have been nice to have some way to adjust just the motor rotation, but that's a bit of a shame. Still, I will use it well.