This Adapter Converter is used as Monitor Bracket.The thread is 3/8"-16 to 1/4"-20: the thread top part is 1/4"-20 , bottom part is 3/8"-16. * This adapter permits the devices with standard 1/4" screw hole to be installed on flash hot shoe slot. * It can be used as a Monitor Bracket or adapt anything else that has a 1/4-20 receptacle. * Easy to use. * Color: Black.