That looks like a much nicer looking head than the one i put in my CF531. One thing i noticed when i did, was that the machine seemed a little underpowered compared to the original 4 knife head. In every other way it was way better.?
Regards,
Bryce
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https://www.brycecomerwoodworks.com/
https://www.youtube.com/channel/UCHdrRaAZd_pOa7wwbdNPUEw