Press-on design allows holder to be fixed or removed in seconds | Attaches securely to the Stella spLED's bezel | Can be used as an adpater for Chimera 3" soft box speed rings greatly expanding the selction of light shapers availible for Stella spLED lights | Can also be used to hold 3x3" Hard gels for color balancing and creative use of color | Compatible Lights: Stella 2000, Stella Pro 5000, Stella Pro 7000, Stella Pro 10000c