The Elinchrom Rotalux Speed Ring for Profoto Flash Heads gives you the secret to working with your preferred flash heads with Rotalux softboxes. The speed ring is quickly installed and works with rectangle softboxes, octa boxes, stripboxes, square softboxes, and octa softboxes through color-coded sockets with the Elinchrom Rotalux Speed Ring for Profoto Flash Heads.Stronger Rotalux Speed RingsDeveloped in response to feedback from working photographers, the Rotalux speed rings have been strengthened in specific spots to ensure that any movable parts will withstand the hard stresses caused by repeated assembly and disassembly.Color Coding For Fast SetupThe Rotalux speed ring design has also been consolidated to one ring that all 11 Rotalux shapes can be built off of. Colored indicators have been added at all mount points to guide users quickly and easily through set up. All guess work has been eliminated because red marks indicate the appropriate mount points for strip boxes: blue indicates mount points for square, and octas have no specific color because they utilize all mount points.