The RAM-111U-B consists of a short double socket arm, 2.5 diameter round base, and 6.25 x 2 rectangle base. The round base includes a 1.5 C size rubber ball and contains pre-drilled holes, including the universal AMPS hole pattern. The rectangle base also includes a 1.5 C size rubber ball and contains a variety of pre-drilled holes that are compatible with several marine electronic devices, including fishfinders and chartplotters.
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The RAM-B-111BU consists 1 diameter rubber ball connected to a flat 6.25 x 2 rectangle base.
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