The Kirk PZ-150 Camera Plate for Canon 1D X is a quick-release plate that's designed specifically for the Canon EOS 1D X. Its dovetail fits Arca-Swiss-style clamps to enable a quick release from a tripod head.
The plate is machined in the U.S. from 6061T6 aluminum, and it includes a stainless steel Allen screw for attaching it to the camera.
The PZ-150 plate preserves access to the 1D X's battery compartment. An Allen wrench is included with the camera plate.