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If that's an angle grinder, it appears to have no guard over the wheel.

Stupid question of the day, please forgive me.

Sometimes the guard over the wheel in a grinder gets in the way of the work you're trying to do.

What's wrong with removing it as long as you're wearing suitable eye-protection, heavy gloves and long-sleeved rugged pants and shirt?

Or is the orientation of these guards adjustable? I've worked with a similar type angle grinder once and it didn't have the guard attached.

I'm not being snarky, just curious.