I got a little more curious and after a little searching ran across this blade on Amazon:
Bullet Tools CC52-1508 8.25 in. CenterFire Dust Free Foam Blade - - Amazon.com
It's not exactly cheap at $85.76 but it looks like it might be what the OP was asking for.
Bullet Tools CC52-1508 8.25 in. CenterFire Dust Free Foam Blade - - Amazon.com
It's not exactly cheap at $85.76 but it looks like it might be what the OP was asking for.