OSIX 3-60 has been designed for the specific SENNHEISER MKH 60 microphone, and its standard foam protection.
The use of standard Softies or Windsocks is possible if you accept a reduction of the firmness.
It should NOT be used with the Sennheiser MKH 70 really too long and heavy !
Front isolator: A4
Rear isolator: B4