Fotodiox 10SBXEC36OT Pro Octagon Softbox 36-Inch with Speedring for Elinchrom MonoLights, Prolinca MonoLights, BXRi Style, D-lite and Ranger Series
The Fotodiox dedicated speedring is specifically designed for your strobe light to fit standard softboxes both rectangular and octagon boxes. It has a outer diameter of 7 5/8", fits 1/4" standard rods. It fits all Elinchrom Strobe.