Item Type: Camera Cage Kit Material: Aluminum alloy Mounting Hole: 1/4 screw hole, 3/8 threaded hole, cold shoe connector Bottom Slider: Standard for Arca bayonet 38MM/1.5in Slider Fitment:: For 5DMark3/5DMark4 Package List 1 x Camera Cage 1 x Small L Type Hex Wrench 1 x Large L Type Hex Wrench 1Applicable Models: Camera full cage kit is fit for 5DMark3/5DMark4. Please confirm whether your model is applicable before buying. 2Accurate Fit: The quick release plate is made of aerospace aluminum alloy with anodic oxidation process, high strength and strong oxidation resistance of the body, together with the anti slip gasket at the bottom, to protect your camera in all aspects. 3Perfect Hole Opening: Accurate hole opening process and accurate position, one push to install, one push to remove, without blocking the camera buttons, hot shoe, battery compartment, body interface. 4Quick Installation: For Arca 38MM slots on the bottom, you can switch cameras between different devices very easily, making your photography work more convenient 5More Secure: Protective full camera cage is screwed in place and comes with two L shaped hex wrench, compact and portable, easy to disassemble at any time.