Perfect fit for Canon EOS 5D Mark IIIThis quick release plate from SIRUI was specially made for the Canon EOS 5D Mark III and fits perfectly to the camera. The individual shape of the plate additionally stabilizes the camera when tilted or when shooting in portrait format. It has a standard 1/4-inch threaded screw.Another feature is the two slots on the edge of the plate. A strap or hand strap can be attached to them.The SIRUI interchangeable plates are compatible with the Arca-Swiss quick release system.The SIRUI TY-5D Mark III quick release plate only fits the Canon EOS 5D Mark III.