RAM Mount Twist-Lock Suction Cup Mount w/Universal X-Grip Cradle for 10" Large Tablets [RAM-B-166-UN9U]Twist Lock Suction Cup Mount w Universal X Grip Cradle for 10" Large Tablets The RAM B 166 UN9U consists of a 3. 3" diameter suction cup twist lock base, double socket arm, round base adapter and universal X Grip clamping cradle for 10" tablets. The suction cup base is designed to have a strong hold on glass and non porous plastic surfaces. The mount is designed with a RAM 1" diameter patented rubber ball and socket system that has adjustment points