The RAP-B-202-153-354-TRA1U consists of a Track Ball™ base, composite double socket arm and 1.5" x 3" rectangular plate. The rectangular plate contains four holes that will line up with the Humminbird Helix 5. The Track Ball™ will connect to virtually any track system including the RAM Tough-Track™
Hardware included
(1) Friction Washer
(1) 1/4"-20 x 7/8" T-Bolt