HIFFIN J Hook Buckle Mount for Vertical Surface, Compatible for All GoPro Max /GoPro Hero 8 7 6 5 4 3+ 3 HD and Other Camera The Vertical Surface J-Hook Buckle Mount with Long Thumb Screws keep your camera tight and stable to capture more wonderful moments. Widely compatible with chest harness, helmet mount and adhesive mount. Good backups for replacement to the original. Compatible for all Go Pro Series: Gopro Hero 8 7 6 5 4 3+ 3 Camera.3pcs Rust-Free Stainless Steel material thumbescrews fit underwater movement .A "must have'" part of mounting accessories for gopro action cameras HIGH QUALITY Rust-Free Stainless Steel material thumbescrews fit underwater movement. Durable long screws and J-Hook buckle mount help to fix your gopro action camera to other device. Apply for device such as helmet,surfboard, skateboard and more other devices for hassle-free to enjoy outdoor extreme sports like biking, surfing, cycle racing, parachuting, hiking, skiing RELEASE YOUR HANDS A "must have'" part of mounting accessories for your gopro action cameras. The mounts set help attaching GoPro to other equipment,keep your camera tight and stable to capture more wonderful moments.