The interfit strobies modi lite uni mount is at the heart of the modi lite system it is designed to fit a wide range of flashguns via a unique locking system which allows you to attach it without the need for velcro rubber bands tape or glue the uni mount can fit flashgun heads with a maximum width of up to 78mm and a height of between 30mm and 58mm by simple adjustment of the thumbscrews a whole range of add on modi lite accessories can then easily be attached to your flashgun please note