1. Using aviation aluminum, light and strong, to ensure stability while reducing shooting pressure. 2. Quick installation design, quick installation, one-button tightening, easy installation and removal of the camera, solving the user's trouble of installation and removal. 3. There are many 1/4 and 3/8 threaded holes around the cage, cold shoe holders, etc., external holes of different specifications to assist with external monitors, microphones, lights and other accessories. 4. There are multiple 1/4 and 3/8 threaded holes at the bottom, which can be compatible with various stabilizers and tripods. 5. Perfectly fit the BMPCC 4k, and reserve the camera hole position, which will not affect the plug-in cable/tripod/battery replacement.