Description: It is made of aeronautical aluminum and CNC precision machining. It is and durable, light and easy to use. Great supplies for A7M3//A7II/A7III/A7S2/A7R2. The cage is well designed to fit the camera perfectly in every corner. Function: The cage could lock the camera securely, can make your much more stable, clear and professional. Perfect for camera protection and extension mounting. Lightweight cavity design, a large number of 1/4" -20 & 3/8" -16 threaded holes, two locating holes and a cold shoe on the top for microphone, LED lights or the monitor bracket mounting. The bottom of the cage has anti-slip pads and anti-deflection design to protect the camera from scratching and movement. It also built in 1/4" -20 screw holes on the bottom. Specification: Material: aluminum alloy Size Chart: Size: 160×110×55cm/62.99×43.31×21.65inch Package Includes: 1 Piece Camera Cage 1 Piece Wrench Note: 1. Please allow 1-3mm error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!