Helmet Front Mount Kit with J-Hook Buckle for Action Cameras. About the Quick Release Buckle Base: These buckle clip mounts are perfect for attaching your camera to a chest harness, helmet mount, or adhesive mount. Material: ABS plastic. Weight: approx. 9.5g. Compatible with GoPro Hero 10 9 8 7 6 5 4 3+ hero(2018) Camera SJ 4000 SJ 5000 SJ600. About the Tripod Adapter: Works on monopod handheld stick mounts, windshield suction cups, and more. Material: ABS plastic. About the J-Hook Buckle Mount: The J-hook mount allows you to attach your camera to a chest harness or adhesive helmet mount. Made of high-quality polycarbonate. Its design positions the camera further away from its mounting point, allowing for additional angles when filming. Easy to use, easy to install and remove. About the Long Screw: High-quality standard long screw with cap. Material: ABS plastic, metal. Length: Approx. 2.1 inches. J-Hook Buckle Mount: Can be used with flat surfaces, especially helmets and chest straps. Tripod Adapter: Universal interface can be connected with related accessories, such as housing 1/4'' screw hole to attach your camera to a standard tripod. Quick Release Buckle Base: Quickly releases your camera for convenient use. Universal kit suitable for GoPro-style cameras, basic kit. Long Screw: Strong ABS plastic with good gloss, hard and tough. Fine flat thread, stably secures the product. Pattern bottom design, small and beautiful.