I had tried a few before, but never liked them. Now I have one I love. It is from Michaels, and is from their beading section. I
The brand is Bead Landing. Lets see if I can copy the image from a previous thread.
Hey, that worked. Only problem with it is that the chuck is 3/32 rather than 1/8, but I fortunately had several bits with 3/32 shaft in my Dremel tool collection, and they have worked so far. If I need to get some other grinder, I know that several places sell 3/32 accessories (my dremels all came with 3/32 chucks as optional accessories.
This is not a battery tool, but comes with an AC power supply. I think the lack of battery is what makes it so light and handy. There is a speed control, and the speed range is just right for working with styrene. It is a bit too whimpy to handle wood or brass, but is a neat option to my more powerful dremels.