The linkstar lqa-sb6090hc softbox + honeycomb grid is 60 x 90 cm in size and is easy to assemble. the studio flash head sits deep in the softbox, which ensures minimal loss of light and provides an even spread of soft lighting. The lqa-sb6090hc is supplied with a detachable honeycomb grid, which can be used to direct the light. The lqa-sb6090hc is complete with a standard linkstar speed ring, which is compatible with bowens, studioking, lastolite, jinbei, qihe, and aurora studio flash units. by using an additional speed ring adapter, the lqa-sb6090hc is also compatible with falcon eyes, broncolor, elichrom, hensel and multiblitz studio flash units. to view these speed ring adapter rings, please see the optional accessories tab below.