The Speedring Insert Is A Replacement Part For Pro Studio Solution Ez-Pro Softbox, Fotodiox Beauty Dishes Or Fotodiox Pro Softboxes (With An Existing Speedring Plate). By Replacing The Insert With A Different Model, You Can Mount The Softbox On Almost Any Strobe, Allowing You To Expand Your Lighting Options Or Use The Same Softboxes For Multiple Setups.
