Heavy Duty Reinforced Iron Alloy Extension Clamp Fit for 15 to 18mm Ball Joints Photography Equipment Stabilization Grip Phone/Pad Bracket Accessory

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