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CowboyStudio 3 in 1 Stacking Grid Light Modifier System for CANON 580EX/ 580EX II Flash Speedlite

Product Description :
One 1 3 in 1 Stacking Grid Light modifier
It is designed for CANON 580EX 580EX II
The JJC Light Modifier was designed to produce 3 different size of light spread Small Medium and Large
when aligned and stacked two grids together produce the smallest spots of light
Stack the small grid into the bezel to produce large size spots of light for medium size spots of light just stack the larger size grid into the bezel