The Kirk PZ-146 Nikon Camera Body Plate is for Nikon D800 and D800E cameras. The PZ-146 is a quick-release plate with a dovetail that fits Arca-Swiss-style clamps to enable quick release from tripod head. The Kirk PZ-146 Nikon D800 Body Plate is made of aluminum and includes a stainless steel allen screw for attaching the body plate to the camera. The Kirk PZ-146 Nikon D800 Body Plate also includes two safety screws that serve as safety stops, preventing the camera and plate from sliding off the head. The Kirk PZ-146 Nikon D800 Body Plate includes a sensor-centering line on the side. Allen keys are included.