Originally Posted by scatsob
FF-What size is the adaptor on the 90mm and 120mm if you know? 8mm or 5mm? Collet or set screw?
The 90mm is 5mm, but it came put together so I am not sure if it is
collet or set screw, and my original 4 blade 120mm is 8mm collet style.
Not sure what the new one will be.