Dremel blades on Fein?

I was in Home Depot today and there was a guy there doing a Dremel demonstration. Since I saw a recent thread on the cost of replacement blades for Fein tools, I asked him about using Dremel blades on Fein tool's oscillating cutter. According to him, the Dremel cutter will fit the Fein tool but not the reverse. When I asked how the reverse was not true, he stated they were designed that way.
I can't corroborate any of what he said since he was just ending the demo, but I thought if true, it would be a good thing to know considering associated Fein blade costs.

Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file

HomeOwnersHub.com is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.