RAM® Cessna Seat Rail Mount with 12" Flex Arm and Diamond Plate RAM-231-D-202U Designed into the mount is

Designed into the mount is a 1" diameter patented rubber ball and socket system with an adjustment point at the round base and base of the cup holder

The base includes black cover aps to be placed over the exposed ends of the u-bolt

5" NPT male thread

The adjustable side keepers ensure that devices like GPS units and Bluetooth speakers within the listed compatible dimensions will also fit in the holder

RAM® Cessna Seat Rail Mount with 12" Flex Arm and Diamond Plate RAM-231-D-202U Designed into the mount isThe RAM B 131 238 consists of a cessna compatible seat rail base, 12" long rigid pole, double socket arm and diamond base adapter. 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 perfect viewing angles. The hole pattern found on the diamond base adapter will connect to most RAM cradles.