1. It is made of aeronautical aluminum and CNC precision machining. It is robust and durable, light and easy to use; | 2. Lightweight cavity design, with Nato rail, cold shoe, ARRl 3/8"-16 locating hole & 1/4"-20 thread mounting holes on the top, fit for multiple top handles, such as Nato top handle, ARRl type top handle and 1/4"-20 thread mount top handle. And bulit-in a cold shoe mount for microphone, LED lights or the monitor bracket mounting. Compatible with ARRl 3/8"-16 Standard on the sides for attaching the side handle for handheld shooting. | 3. 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 & 3/8" -16 screw holes on the bottom to attach the camera to tripod. | 4. The bottom is 38mm wide sliding international standard for Arca-style plate design, which can be quickly installed on tripod ballhead compatiable with Arca Swiss Standard. It is also equipped with magnet on the back side to store the allen wrench and won't lost. | 5. 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.