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