Arkon XL Holder for Samsung Galaxy S10 Phone Golf Mount (sku 44431)Arkons XL universal Golf Holder mount fits Samsung Galaxy S10. This heavy duty phone mount can be installed Golf handlebars 18 to 35mm in diameter. The phone holder rotates on the pedestals swivel ball adapter head for 360 degree positioning of the device. The holders solid construction provides strength and reliability by featuring a spring loaded mechanism that expands to hold smartphones up to 5 inches wide. Arkon recommends using the Holder with