I have several of these miniature bench grinders, both at home and in my shops. They are very weak, but that makes them relatively safe. One of them I use, for example, to debur the ends of tiny #2 threaded rods. A bigger tool would be pure overkill.
Location: Maker Area
Have you used this tool? Think my description is all wrong? Have a better example? Comment now with any thoughts you have about this tool!