Meet your new go-to mount and component option for pairing any holder or dock with a dashboard drill-down mount. The RAM-B-202-225-2U consists of a 1" B size rubber ball connected to a 2.5" diameter round plate with the universal AMPS hole pattern and one 2.10” x 2.60” steel backing plate (hardware included). Connect a B size RAM® double socket arm and device holder that's perfect for your use-case. RAM®'s patented rubber ball and socket technology dampens shock and vibration and allows for near-infinite adjustment, enabling perfect viewing and operating angle of your device.