Broncolor Speedring for Broncolor, has been taken out of its box and the box might show some wear but it's otherwise as new.

Manufacturer's blurb

Speedring required for Broncolor soft boxes. With the colour coding on the rear face of the adapter rings, it is child's play to quickly assemble any Softbox. There are speedrings for numerous different flash manufacturers, so that any Softbox becomes independent of a particular system.