Features: Wide compatibility, suitable for ACTION 5 Professional/4/3/2. The metal double claw limit buckle is securely installed and not easily detached. Magnetic design doubles stability. magnetic attraction, paired with aluminum alloy claw 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. Adhering and absorbing, it can be easily released and installed with a gentle pinch, making outdoor photography more convenient. Specifications: Component: plastic + aluminum alloy + magnet Color: black Size: approx. 4x2.1x1cm/1.57x0.83x0.39inch Package Includes: 1Pc 1/4 Female Quick Disassembly Magnetic Adapter note: Other accessories demoed in the pictures is not included. Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.