The double socket arm can connect all devices with 25mm ball heads, 1/4 ball components, and can be freely combined according to usage needs. The total length of the double socket arm is 5.8 to 8.2 inches, and the hand lever can be extended and retracted up and down to adjust the device to the appropriate angle. The double socket arm with dual ball heads can provide multiple joint points, and the two end knobs can adjust the tightness of the ball head, which is stable and anti shake, suitable for various occasions, and unlocks more new angles. Make your phone holder more flexible and versatile, supporting a 25mm spherical installation mode for all devices, expanding the use of your phone holder to meet more needs, providing the best support and protection, and bringing you more features and convenience.