 "10 x Flash Shoe Holder Light Stand Mount with Top Screw, 10 mountB"
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The CowboyStudio Hot Shoe Holder provides you with full control for the positioning your flash. With the built-in umbrella holder at the base, you can have portable studio lighting without the hassle.This product is easy to put on the stand and holds tight. It is also easy to put in an umbrella and holds the flash in place. It is recommended for a photographer that is trying to create a very portable studio lighting systems using speedlights. " 
 "3 in 1 Stacking Grid Light Modifier System for CANON 580EX/ 580EX II Flash Speedlite, SG-C GRID"
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The Light Modifier was designed to produce 3 different size of light spread (Small, Medium and Large) and 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." 