It’s reliable, powerful, and super easy to use. “As a long-time Dremel user, this is the best model I've used to date,” said one. “Great performance with no power cord!” Another agreed ...
The best repair approach is finding exact replacement ... This is exactly what [Daniel Jose Viana] did when his 110 volt Dremel tool popped its TRIAC after he plugged it into a 220 volt outlet.