The RAP-224-18-A-UN7 consists of the Twist-Lock™ Suction Cup, an 18" PVC Pipe and short double socket arm connected to the universal X-Grip® phone holder. Ideal for attaching to a standup paddleboard, this mount provides the perfect elevation for convenient viewing and operating your phone while out on the water. The X-Grip® includes a device tether recommended for outdoor applications. The cradle is compatible with handheld devices that will fit the dimensions listed below. It is important to verify the dimensions of your handheld device with a case/sleeve/skin when determining the overall size.