RAM Tab-Tite Drill-Down Mount for Large Tablets with Cases (RAM-B-138-TAB8U) (sku 51067)RAM Tab Tite Drill Down Mount for Large Tablets with Cases (RAM B 138 TAB8U) The RAM B 138 TAB8U consists of a 2. 5" diameter round base with the universal AMPS hole pattern, double socket arm, round base adapter and Tab Tite universal clamping cradle. The mount is designed with a RAM 1" diameter patented rubber ball and socket system that has adjustment points at both ends of the double socket arm; this allowing for almost infinite adjustment and