[Material]Cold shoe mount adapter base bracket is made of quality aluminum alloy material,which is durable and wear resistant [Feature]Top limit bead to realize fast installation and prevent the cold shoe part from falling off,not afraid of falling [Design]The locating pin is designed for 1/4 screw holes with distance of 9mm between two holes,effectively preventing the equipment from reversing [Portable]Small in size,will not add too much burden to photographic equipment,practical strong hot shoe and cold shoe base holder [Application]Cold shoe expansion adapter,suitable for camera to expand more devices,such as microphones,fill light, and others