Features: Enhances your car phone mount setups with the 17mm ball joint extension arm, designing to provide 360 degree rotation for optimally device positioning. Crafted from abs plastic, this extension rod features a female to male head designs, allowing for seamlessly integration with various mounts and stands. For driver, content creators, and technology enthusiasts who require flexible mounting solution for their smartphones, tablets, or navigation devices. Perfect for use in vehicle on desktops, or with tripods, this adapter bracket ensures your devices is always within easy view and reach. The extension arm is for most car air outlet vent phone stands and dashboard camera holders, making it a essential accessory for enhancing your mobile experience. Specifications: Component:Plastic Ball head diameter: 17mm Style:As Picture Shown Package Includes: 1pcs Ball Joint Extension Arm 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.