This is the JJC Male Hot Shoe Adapter 1/4" 20 Thread [JU0117] The JJC Male Hot Shoe Adapter 1/4" 20 Thread (JU0117) fits most cameras with the hot shoe feature. The unique design allows shoe to slide in either way. The top screw measures 1/4-20 thus enabling a variety of accessories. Features: It will fit any accessory of your choice with a 1/4-20 thread. The base of the adapter features a male shoe fitting, and a 1/4"-20 screw on the top to connect to the head. For the Norman head, a base plate shaped to the barrel of the head is also included. ...Contact us if you need more help.