Medium

The RAM-SG-B-111U consists of a 2.5″ diameter round base, STANDARD LENGTH double socket arm, 6.25″ x 2″ rectangle plate, RAM

The RAM-S-B-111U consists of a 2.5″ diameter round base, SHORT LENGTH double socket arm, 6.25″ x 2″ rectangle base, RAM

Designed for light duty fresh water use, this B size (1”) Track Ball™ kit for the Lowrance Eagle 4 &