It is not a hot knife! On the Kaizen website, this product includes blades that fit on the end. The version I received is a blunt circle piece of brass that is useless in cutting foam.
Verified purchase: Yes | Condition: New
This is to clean up the transitions and rough edges after you cut openings into the kaizen foam. It does that well. I cut the fitted recess for tools a little too small, and then do the final forming with the kaizen tool. Sharp details can be firmed up with an old soldering iron.
Verified purchase: No
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