Neewer Black Metal 1/4-3/8" Tripod Mount Screw to Flash Hot Shoe Adapter for Digital SLR Camera/such as Canon Nikon Sony Samsung Olympus Pentax This adapter converter is used as monitor bracket and fits on the cold shoe of most cameras The thread is 3/8-8 to 1/4-15: the thread top part is 1/4-15 , bottom part is 3/8-8 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 1/4-15 receptacle and 3/8-8 receptacle Materal: Anodized aluminum metal