WORKS WITH ALL INDUSTRY STANDARD 1-INCH MOUNTS: Commonly used as an additional holding option for with IBBZ-33921 or IBBZ-33791 and other industry standard 25mm / 1 inch dual ball mounts / arms. Features 1-inch / 25mm / B Size Ball joints that are compatible with all industry standard 1 inch / 25 mm / B size adapters and arms. COMPATIBILITY: Works with all Smartphones and gaming devices ranging from 2 inches to 4 inches wide. Some examples of these devices are: Smartphones- Apple iPhone XS Max, iPhone XS, iPhone XR, iPhone X, iPhone 8 and 8 Plus, iPhone 7 and 7 Plus, iPhone 6S and 6S Plus, Samsung Galaxy S9, S8, and S7, Galaxy Note 9, Note 8 FUNCTIONALITY: Moto-Vise holder has a strong and sturdy Spring-loaded grip, designed to hold your device in the most rugged conditions. With the secure grip, this mount can be used with motorcycles, bikes, and off-road vehicles. We recommend using two hands to insert and remove the device from the holder, this insures that your device will not