Model Number: for 5D II III IV Configured For: DSLR Cameras Feature 1: Rail Feature 2: Style QR Plate Feature 3: Cold Shoe Feature 4: 1/4 inch Screw Hole Feature 5: 3/8 inch Screw Hole Feature 6: DSLR Video Feature 7: Camera Feature 8: Camera Cage Feature 9: for 5D II III IV Camera Video for for 5D II III IV 5Ds Built-in QR plate,can be connected to tripod. There is a Rail on the top of this cage, That can be installed a top handle or arm bracket. There are a lot of 1/4 inch screw holes and 3/8 inch screw holes on the top, bottom, left side and right side, easy to expand other camera accessories. There is Cold Shoe mount on the top, easy to install Monitor or microphone and other camera . Product Weight: About 220g colour:black Material:Aluminum alloy size:17.5X11.5X8.5CM Package Contents: 1 x Camera Cage Only the above package content, other products are not included. Note: Light 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.