>>5316118>dremel knockoffdon't know about those, but Ryobi makes this handy little thing. It's heavier than a Dremel, about 3 lbs, but it only costs $35 and can take a vastly wider range of bits. Dremels can't make 3mm peg holes for Transformers, for instance.
also, cordless with a lithium battery and can easily be found at any Home Depot