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Made of metal, solid and durable, includes 2 nuts which can be adjusted
It can be used as a Monitor Bracket or adapt anything else that has a 1/4-20 receptacle
The bottom of this adapter connect to the camera hot shoe, the top part of it is a 1/4-20 threaded stud
Base of screw is 3/8" for a stronger build and more secure attachment to flash shoe
Adjusting knobs come completely off the threaded bolt

Great little piece of equipment to own for any photographer or videographer.