Features: The clamp ball base is designed to securely fit a wide range of devices, ensuring a stable platform for device mounts including phone and camera holders on motorcycles, scooters, and more. With a 360 rotation capability, our super rail rod clamp supports round tubes with diameters ranging from 8.2 to 14mm, allowing for adjustable viewing angles and easy adaptation to various setups requirements. The motorcycle handlebar rail ball mount is not only multinfunctional due to its compatibility with numerous phone brackets and extension rods, but it also ensures your devices stay firmly in place during all your rides. The ball head mount adapter boasts durability and strength, all while maintaining a fashion black appearance that blends with any vehicle design. Our motorcycle bicycles handlebar clip offers a reliable mounting solution, specifically designed to attach to metal poles such as rear view mirror installations, catering to a range of handlebar diameters from 8.2 to 14mm for various motorcycles and scooters. Specifications: Component:Rubber + Aluminum + 304 Stainless Steel + Nylon Plastic Size: Approx.50x22x25.4mm/2.17x0.87x1inch Color:Black Fixing method: on rear view mirrors with metal stems Supported mirror stem diameter: 8.2-14mm Applicable vehicles: used for motorcycles/scooters. Applicable equipment: mobile phone holder/camera holder and other equipment use Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings. Package includes: 1pcs Ball Head Adapter