Depends on the application. Dremel is better for smaller or more intricate stuff. Lot's of add-ons available too, making it a bit more versatile.
What do you plan to do?

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It is a truism that almost any sect, cult, or religion will legislate its creed into law if it acquires the political power to do so. Robert A. Heinlein


09 Jetta TDI
1985 300D