You left out the "straight blades" part originally. "Like an electric
kitchen knife" could be interpreted to mean "right next to each other". Was
this saw a stationary tool like a table saw or band saw or a portable tool
like a reciprocating saw?
From the sounds of your desc. It sounds like a foam cutting saw ...
Upholstery Trade. Usually set up with a flat base approx 4" X 2" with glides
on base for running along work table. Most common blade length is 12". AFAIK
Bosch are the only firm still making them.
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