On 2009-03-05, HeyBub wrote:

Since the Fein patent expired late last year, others have duplicated the
tool. Harbor Freight, Dremel, Bosch, and others make a replacement tool -
and all the blades between manufacturers are interchangable.

Wow! Pretty impressive. What's the generic term for this type of tool, in
case I can't get to a Harbor Freight (forget Fein! . Thanks.

nb