RAM X-Grip Phone Mount with Motorcycle Brake / Clutch Reservoir BaseThe RAM B 174 UN7U consists of hardware for mounting to either brake clutch reservoirs and rails that are 0. 5" to 1. 25" in diameter, a double socket arm, and a universal X Grip cell phone cradle. Designed into the mount is a 1" diameter patented rubber ball and socket system with adjustment points at both ends of the socket arm; this with a twist of the arm knob, allows you to move the X Grip mount to your optimum viewing position. The mounting