5 *1/ 4 inch to 3/ 8 inch male threaded screw adapter 5 * 1/ 4 inch to 1/ 4 inch male threaded screw adapter 5*1/4inch female to 3/8"" female screw adapter 5*1/4 inch female to 3/8 inch male screw adapter 1 * 1/4inch Hot Shoe Adapter Mount Camera Ball Head