The metal double limit buckle is securely installed and not easily detached Adhering and absorbing, it can be easily released and installed with a gentle pinch, making outdoor photography more Wide compatibility, suitable for ACTION 5 Professional / 4 / 3 / 2 design doubles stability attraction, paired with aluminum alloy buckle, sports photography is without fear of bumps 1 / 4 inch screw hole, rotating viewing angles, expanding innovation Compatibility with 1 / 4 inch accessories such as selfie sticks and tripods