This STR106 Snoot for the Interfit Strobie STR100/101 Portrait Kits will create a spot light on a subject when used with your shoe mount flash and optional dedicated Flex Mount. The front opening has a diameter of 2.25" (57.2mm)
This snoot comes with 2 honeycomb grids (20 & 30°) that simply push-fit onto the end of the snoot for even more beam control.