Ideal for adventure seekers, travel photographers, and professional creators requiring reliabled mounting solution for sports cameras and mobile device holders Achieve versatile angles with universally compatibility across navigation systems and 17mm based phone holders, combining industrial grade materials with precise engineering Features double socket arms with 17mm ball head adapters and reinforced iron structure ( 5.8cm length) for enhanced stability during extreme outdoor activities Optimize your action camera setups on bike handlebars, motorcycle mounts, or hiking gear while maintaining vibrations less Double ball head clamp with 360 degree rotation and rust resistant metal construction ensures secure mounting for 15 18mm ball heads, perfect for action camera accessories and extendable arm installations