Features: Aluminum alloy and CNC precision machining camera video cage, replacement for Sony A7M3/ A7R3/ A9 mirrorless camera. Featuring 1/4 inch mounting screw and rubber pads on the base plate, the cage will protect your camera very well. Multi-mounts design, with 1/4 inch & 3/8 inch screw holes, Arri positioning holes and cold shoe mount for installing monitor, microphone, LED light, top handle, etc. 38mm international standard bottom base design allows you to install the camera cage to the 38mm QR plate groove of the tripod head immediately. The video cage would not block any buttons on the camera, and you are able to access not only the battery but even the memory card slot. Specifications: Material: Aluminum Alloy Cage Size: 14.5 * 10.5 * 6cm/ 5.7 * 4.1 * 2.4in Cage Weight: 210g/ 7.4oz Package List: 1 * Camera Cage 2 * Mini Wrench