The RAM-B-174-UN10 consists of hardware for mounting to either brake/clutch reservoirs and rails that are 0.5' to 1.25' in diameter, double socket arm and universal X-Grip large phone/phablet holder. 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 hardware for brake/clutch reservoirs include both standard and metric mounting bolts. 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. The spring loaded X-Grip cradle expands and contracts, allowing for a perfect custom fit of your cell phone. The perfect complement to the modern sleek interior of today's vehicles, the RAM X-Grip is the cell phone cradle evolved.