On 2010-02-27, David Nebenzahl wrote:

The "new" (variable-speed) tool has an improved mounting system, perhaps
similar to Fein's new one.

Are you still referring to the Harbor Freight unit (var)? What would
be the advantage to one of these tools being variable? If slowed
down too much, seems it would lose its effectiveness and bog down.
OTOH, I have no experience with one.

nb