Ram Mounts Tough-Claw Motorcycle Mount with Universal X-Grip CradleFeatures a small Tough Claw mounting base and universal X Grip cradle Mount rotates 360 degrees Included spring loaded, X Grip cradle has a clean and clever four leg design that provides great holding power without hiding your phone; X Grip cradle expands and contracts, allowing for a perfect custom fit X Grip also includes a device tether recommended for outdoor applications Clamping range on rail tube surfaces is 0. 625" to 1. 5"; clamping range on