The Calumet QuickRing Speedring is designed to make the assembly of any softbox or Calumet 3D reflector easier than ever. The QuickRing has an all-metal construction and the lock lever will remain secure during normal use.
Profoto RFi Speedring Adapter for Bowens / Calumet Heads
Calumet 4-Speedlight Speedring Adapter
Profoto Off Camera Flash Speedring
MagMod MagBox Speedring for Elinchrom
Hedler Speedring C with QuickFit Adapter
Broncolor Speedring - Elinchrom