Fotodiox Softbox Universal Speedring Speed Ring and Plate for Strobe Lights - Fits 3-6 inch Diameter Strobe Heads
The Fotodiox dedicated speedring is specifically designed to fit most all strobe lights to attach all Fotodiox Pro standard softboxes, both rectangular and octagon. It has a outer diameter of 7-5/8" (19mm), fits 1/4" (6mm-7mm) standard rods. This speering will fit most all strobes without a bayonet mount that have a built in reflector and measure 3-6 inches in diameter.