Designed for the rogue 3 in 1 flash grid this set of white grid inserts contains 45 and 25 grids which can be used independently or stacked together to produce a 16 beam angle the reflectivity of the white honeycomb grid material creates a glowing halo like lighting effect around the bright center spot to attach to flash the rogue white grid inserts requires the rogue 3 in 1 grid attachment strap sold separately