for $79 i could have someone else do it, probably for less.that things a POS
You'll be better served with Harbor Freight larger corded one with adjustable speed
(it's a POS too, just a little better turd for the same price or less)
or spend $79 and buy a corded 300 series Dremel
.L.T.A.
this thing? http://www.harborfreight.com/variable-speed-rotary-tool-kit-60713.html