RAM Marine Humminbird / Lowrance "RUGGED USE" Electronic Base attribute-drill-down 5" (63mm) round AMPS base

5" (63mm) round AMPS base for near-infinite adjustment

Spring-loaded Quick-Grip™ cradle holds devices 66

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Plate diameter: 63

Clamps onto square posts and rails up to 38mm (1

RAM Marine Humminbird / Lowrance "RUGGED USE" Electronic Base attribute-drill-down 5" (63mm) round AMPS baseRAM 107BU RAM Fishfinder Ball Adapter for Humminbird Devices (Rugged Use) The RAM 107BU is a 1. 5" ball "rugged use" marine electronics base for the Humminbird 100, 300, 500 and 700 Series, Matrix Series, and Lowrance Elite 5 Series. It connects to the underside of compatible devices and mates to any RAM C series double socket arm. Key Features Adaptor for heavier Humminbird, Lowrance and Raymarine devices 1. 5" ball mates to any RAM C series arm