🎃【Lifetime Warranty】This double socket arm comes with lifetime warranty, if you have any questions, please feel free to contact us, we will provide you with the best solution within 24H. This 17mm ball cradle adapter connects the phone holder base and phone clip to form a complete sports camera holder, Gamin GPS mount, car phone holder etc. It's perfect Christmas gift for your husband, father, son, or friend, bringing them the freedom and surprise of freeing their hands. | 🎃【Compatible with Garmin gps mount and 17mm ball head adapter】Double socket arm connects to all brands 17mm ball head, compatible with Garmin ball mount, 62mm in length, suitable for quadlock motorcycle mount, bike stem phone mount, live streaming phone mounts, riding photography mount and other devices that have 17mm ball assembly, if you need to mounting GPS devices or surveillance camera that has 17mm ball head to Marine Cell Phone Holder, this 17mm ball head adapter is perfect choice. | 🎃【Long service life】High quality double socket arm combined with the characteristics of the product, using aluminum alloy, stainless steel, copper three kinds of materials, higher strength is not easy to damage, the surface of the III stage hard anodic oxidation treatment, smooth feel anti-corrosion rust, has a very good durability and carrying capacity, is motorcycle phone holder, bike phone holder mount, kayak phone mount, gps vehicle mounts and so on long-term use of a good choice. | 🎃【Unique Design】Double Socket Arms are ergonomically designed, Perfect fit 17mm ball mount, connects tightly with phone holder is not easy to come loose, Remains stable even when driving at high speeds on bumpy roads, double socket arms are lightweight and portable weighing only 47.5g and are easy to store in pockets or backpacks, the small size doesn't take up much space, it can be quickly mounted and dismounted without tools, which makes your cycling trips more convenient and efficient. | 🎃【360°Rotation】The phone holder connecting rod adopts labor-saving butterfly knob, which is easy to adjust the tightness and height of motorcycle accessories double socket arm, 17mm ball joint can be rotated 360° to freely adjust horizontal or vertical direction of gps car mount, which makes it convenient for you to use device to play music, make video calls, view maps and so on, which has the characteristics of convenience, flexibility and stability, has perfect riding view.