NATIONAL PRODUCTS-RAM RAM-B-138-UN7 Surface Mount W/universal X-Grip

2.5" diameter round base with universal AMPS hole pattern, double socket arm and universal spring loaded X-Grip holder for cell phones. Designed into the mount is a 1" diameter patented rubber ball and socket arm; this with a twist of the arm knob, allows you to move the mount to your optimum viewing position. The included X-Grip cradle has a clean and clever four leg design that sports great holding power without hiding your phone behind foam pads and plastic. Compatible with Apple iPhone (except 6 Plus)/iPod touch and Samsung Galaxy S4/S5. It is important to verify the dimensions of your handheld device with a case when determining overall size. Minimum width: 1.875". Maximum Width: 3.25". Depth: 0.875".