The RAP-B-111B-354-TRA1U consists of a Track Ball™ base, composite double socket arm and 6.25" x 2" rectangle plate. The 6.25" x 2" rectangle plate contains different combinations of pre-drilled holes which will match up to many electronic devices and mounts, including Marine GPS, CB Radios, Ham Radios, Gimbal Brackets and more. The Track Ball™ base can connect to virtually any track system including the RAM Tough-Track™.
.48" x .95
Plate Hole Patterns