The RAM-B-174-UN10 consists of hardware for mounting to either brake or clutch reservoirs and rails that are 0.5 to 1.25 inches in diameter, a double socket arm, and a universal X-Grip large phone or phablet holder. Designed into the mount is a 1-inch diameter patented rubber ball and socket system with adjustment points at both ends of the socket arm. With a twist of the arm knob, you can move the X-Grip mount to your optimum viewing position. The mounting hardware for brake and clutch reservoirs includes both standard and metric mounting bolts. The included X-Grip cradle has a clean and clever four-leg design that provides 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 for your cell phone. The RAM X-Grip is the cell phone cradle evolved, perfectly complementing the modern sleek interior of today's vehicles. The X-Grip includes a device tether recommended for outdoor applications. The cradle is compatible with handheld devices that fit the dimensions listed below. It is important to verify the dimensions of your handheld device with a case, sleeve, or skin when determining the overall size.