RAM® Double Ball Mount with Round Plate and 2 7/8" Hole Pattern Base Striker Plus 7 Series The RAM-B-121-238U consists of a

The RAM-B-121-238U consists of a yoke clamp base

The clamp base will wrap around a square post with a maximum width of 4" and is tightened by screwing the two plates together with the included nuts and bolts

swing arm joint and laptop tray connection

Included are easy access grip knobs located on the back of the cradle for quick release of your tablet

RAM® Double Ball Mount with Round Plate and 2 7/8" Hole Pattern Base Striker Plus 7 Series The RAM-B-121-238U consists of aThe RAM B 101U 247 25B consists of a double socket arm, round 2. 5" diameter round base with the universal AMPS hole pattern and 2. 5" clamp base backing plate. The patented rubber ball and socket technology dampens shock and vibration, as well as allows for almost infinite adjustment, as well as perfect viewing angles.