I'm a fan of the Foredom Mini-Angle Grinder for lots of my smaller work. It comes with a lot of accessories that make it useful right out of the box, but it was missing a simple blade, probably for good reasons, but I decided to make my own.
First off, the Foredom is a frickin' amazing tool and you can get multiple interchangeable handsets for it that'll give you lots of options. I bought my first one twenty years ago, loaned it to a friend who never gave it back, so I had to buy another. I was able to find lots of them on eBay, and some were going for a song ($86 for a practically new unit with handpiece). These are built to last and are easy to service: I'd get a new set of brushes, blow out the motor case with compressed air, clean and re-grease the shaft, and it's like a brand new device. I picked up multiple handsets ($46 for a set of four) on eBay, too, and those are fairly easy to service if you know how to press bearings. If not, Foredom's repair service is fast and reasonably priced. Anyway...
The angle grinder kit is either "just the kit" or "comes with handpiece". If you don't have a spare H-30 handpiece, I recommend getting the "comes with handpiece" option because installing and unstalling the head is a drag. You may also want one of their manual speed controllers to limit the speed if you don't have a light touch on the foot control. To set it up, you put this nub thing in the H-30 chuck, tighten, and then clamp the angle head on it. Snap it on your Foredom shaft and you're ready to go.
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