This Easy Plate Is Equipped With Various Threaded Holes( 14 38 M3 M4) In 9Mm Spacingit Can Be Attached On Railblocks, Dovetails And Short Rodsit Works As A Switching Plate When Mounted To The Bottom Of A Dslr Cagepackage Includes: 1X 14 Tripod Screw, 1X Switching Plate