My DIY column drill
, which has been unbelievably in the top ten chart of most viewed Instructables of that month, deserved a good upgrade, what do I say, let's not be stingy, Top Ten deserves at least three great upgrades!
So here they are: an addictional rail to easily shift up and down all the mechanism, a twin LED lamp to light better the working surface and, last but not least, an integrated automatic power switch connected to the teethbrush-lever! Does this lever type seem strange to you? read the first Instructable!