for A7M3 A7R3 A9 with 14 & 38

alloy and machining video cage, replacement for A7M3/ A7R3/ A9 mirrorless . 14 inch mounting screw and rubber pads on the base plate, the cage will your very well. -mounts design, with 14 inch & 38 inch screw holes, positioning holes and cold shoe mount for installing monitor, microphone, , handle, etc. 38mm international standard bottom base design allows you to install the cage to the 38mm QR plate of the tripod head immediately.