The RAM-B-138U-A consists of a 2.5 diameter round base that contains the universal AMPs hole pattern SHORT double socket arm and diamond base adapter. The mount is designed with a 1 diameter patented rubber ball and socket system that has adjustment... more
The RAM-B-103U-A consists of a 2.5 round base and SHORT double socket arm that will accept 1 ball bases. The round base contains pre-drilled holes including the universal AMPS hole pattern. Designed into the mount is a 1 diameter patented rubber ball... more
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