Features: Expand your mounting possibilities with this 17mm ball head adapter featuring a 90 degree elbow and 360 degree rotation capability, perfect for achieving the ideal viewing angles with car phone mounts, and magnetic mounts. This pre tightened adapter offer enhanced flexibility through its double rotating ball heads, easily adjusting to provide greater movement ranges when paired with your existing 17mm dashboard or vent mounted ball head phone holder. Ideal for driver of cars, trucks, as well as content creators and travelers needing versatile positioning for devices like smartphones, tablets, action cameras, or navigation systems during commutes or road trips. Effortlessly install it onto your vehicle's air vent clip mount or dashboard ball socket holder to securely position devices for optimal visibility whether navigating city streets, capturing dashcam footage, or streaming content on long journeys. This 17mm ball head extension adapter seamlessly integrates with a wide ranges of mounts including phone cradles, tablet holders, recording equipment brackets, and magnetic car phone mounts for flexible device positioning. Specifications: Component: Plastic Length: about. 85mm/3.35in Pattern: 2 pattern optional Package Includes: 1pc Extension Rod note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.