This Fotolux universal Speedring is adjustable to fit most studio flash or LED light.
The adjustable knobs can clamp between 80mm to 118mm flash/LED head.
There are 12 diameter 8mm...
Fotolux SN-18 Balcar Flash to Bowens Interchangeable Adapter Mount
This Adapter Mount made for Balcar flash to use Bowens Accessories : Softbox, Snoot, Reflector...
So