ProMaster Softbox Speed Rings are the complete 2-piece set required to mount most brands of softboxes to your studio flash. The inner ring which attaches to your flash may also be used to mount other speed ring compatible accessories. Fits ProMaster and other Bowens S-Mount Compatible flash heads.
In the Box
- Promaster Softbox Speed Ring for ProMaster and other Bowens S-Mount Compatible Flash Heads