This ball mount holder ball adapter rotated from 1 inch ball head to 1 inch ball head. This double ballpoint pen is compatible with ram mounts/iMESTOU B ball foot arm systems. It is a mounting kit for universal use, such as bike phone holder, camera mount, special gear extension and transmission. With this dual ball adapter you can rotate your device 360°. It converts a 1-inch/RAM B size/25.4mm mounting socket system to a 25.4mm mounting socket. It is used for Gamin GPS, bike phone holder, motorcycle phone mount or any other 25.4mm GPS mount socket.

*** With this dual ball adapter mounting kit, you can rotate your Gamin GPS, camera mount or phone holder device 360°, it is suitable for outdoor riding and photo shooting. *** This 1" to 1" dual ball mount can be used for Garmin GPS and bike phone holders and other 1"/25.4mm/RAM B-size industry standard socket mount. *** The length of this bullet adapter is 2.5 inches from one end to the other, it is used for GPS device extension. *** This dual ball holder is from 25.4mm (1 inch) ball head to 25.4mm (1 inch) ball head, compatible with RAM 25.4mm to 25.4mm socket arms. *** This double ball joiner is made of high quality aluminum raw material, it is sturdy and durable.