Quick Release Design for Easy Use: The quick release mount can attach to the Hero instantly with the built-in strong magnet and can be detached quickly by pressing buttons on both sides Compact with Slim Design: It's easy to carry due to its compact size, with only 15.3mm thickness and 20g weight Secure Use of Hero: It can attach firmly and securely to the Hero with snap buttons and the built-in strong magnet Safe and Durable: Made of steel, the claw buckle remains sturdy and reliable against intense vibrations Switch Freely Between Two Different Mount Connections: With magnetic two-prong mount and 1/4 screw connection, the quick release mount is compatible with various Hero accessories No Fear of Vibration While Cycling: The shock-absorbing silicone sheet further ensures the stability of the quick release mount, providing vibration resistance during cycling Specification: Material: Metal Dimensions: 43.1 x 15.3 x 15.2mm Weight: 20g