1. It is made of aeronautical aluminum, It is robust and , light and easy to use; 2. cavity design, a large number of 1/4inch & 3/8inch threaded holes,ARRl locating hole and a bulit-in cold shoe mount for microphone, LED lights or the monitor bracket mounting. 3. The bottom of the cage has anti-slip pads and anti-deflection design to protect the camera from scratching and movement. 4. It would not block any buttons and interfaces of the camera or the installation of the battery,and providing different DIY possibilities for the camera accessories attaching. Aluminum alloy Camera Cage is specifically designed for 70D 80D 90D Camera.It is a full cage which is and perfectly form-fitting the camera.It is equipped with multiple 1/4inch and 3/8inch threaded holes,ARRl locating hole and cold shoe for accessories mounting. treatment: Colour:Black Material:Aluminum Alloy Size:167x38x123MM Package Contents: 1 x Camera cage frame bracket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.