🎀【Lifetime Warranty】This 17mm ball head adapter has lifetime warranty, if you have any questions, please feel free to contact us, we will provide you with the best solution within 24 hours.17mm ball head base connects with 17mm dual socket arm and cell phone clip to combine into bike motorcycle cell phone holder, it's the perfect Christmas gift for your husband, father, son, or friend, let them enjoy the freedom of freeing their hands. | 🎀【Compatible with Garmin GPS mount】17mm ball head adapter connects to all brands 17mm double socket arm, compatible with Garmin GPS holder, can be freely combined and matched with any 17mm cell phone holder accessory, suitable for quad-lock motorcycle mounts, cycling photography holder, scooter cell phone mounts, etc, multi-purpose and more at your disposal. | 🎀【Powerful Function】17mm ball head with 1/4" thread, can be used to connect tripod, various camera interfaces and other adapters, suitable for any mounting mode with 17mm ball head and 1/4 thread, ergonomic design perfect fit for connecting rod, tightly connected with the cell phone mount is not easy to loosen, even if you are driving at high speeds on the rugged road can also maintain smooth and steady, it's the best accessory for cycling cell phone bracket. | 🎀【Long service life】High quality 17mm ball head adapter combined with product features, made of stainless steel and TPU, higher strength is not easy to be damaged, 17mm ball head is solid stainless steel, covered with high quality anti-slip rubber, which plays a good role in protecting the ball head with anti-slip and shock absorption, it's a good choice for long term use of the car cell phone holder, ball mount, bicycle riser phone holder and so on. | 🎀【Free Adjustment】The base of the cell phone holder can be quickly installed and removed without tools, small size does not take up space easy to carry, the ball joint part can be rotated 360°, free to adjust the horizontal or vertical direction, it is convenient for you to use the device for GPS positioning, playing music, checking the map and so on, it’s convenient, flexible, stable and so on, it has perfect cycling vision.