StudioPRO Hot Shoe Flash Bracket/Stand Mount Adapter with Umbrella Socket for Photo Video Photography (1) Metal Hot Shoe/Flash Bracket with Umbrella Socket Light stand sold seperately The StudioPRO Hot shoe mount has a built-in umbrella hole in center with auto-lock. Compatible with speedlights with standard hot shoe like Canon, Nikon, Pentax, Olympus flash units Fits on the top of most standard light stands or tripods