1.The thread is 3/8-8 to 1/4-15: the thread top part is 1/4-15 , bottom part is 3/8-8
2.This adapter permits the devices with standard 1/4" screw hole to be installed on flash hot shoe slot
3.This adapter converter is used as monitor bracket or adapt anything else that has a 1/4-15 receptacle and 3/8-8 receptacle and fits on the cold shoe of most cameras
4.Made of HARD ANODIZED aluminum metal, Anti-corrosion ,sturdy,durable,and not easy to breakage
5.Package :2Pack 1/4" to 3/8" Tripod Mount Screw to Flash Hot Shoe Adapter Monitor bracket
