2.5" Dia. Base with 1.5" Dia. Rubber Ball, SHORT Sized Length Arm and RAM-202U-24 2 Inch x 4 Inch Plate with Pre-Drilled Holes (Fits Humminbird Helix 7)

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  • Base Plate Included: RAM-202U shown below is a marine grade aluminum universal 2.5 inch diameter plate with a 1.5 inch diameter rubber ball. The plate has pre-drilled holes, including the universal AMPS hole pattern.

  • Arm Included: RAM-201U-B short sized length arm.A tightening knob on the side of the arm enables the sockets to clamp firmly to the attached base and mounting plate. The arm allows for easy adjustment by loosening the side knob, a single spring inside the arm opens the sockets, allowing the arm to pivot on the attached plates. This enables the arm and mounting plate to be positioned at various angles allowing the ultimate in position flexibility. Loosen the knob completely and the arm will disconnect from the accessories in seconds!