RAM® Universal Marine Electronic Mount - C Size Short RAM-162V-MC5 The round base adapter contains

The round base adapter contains the industry standard universal AMPS hole pattern

5" diameter round bases that contain the universal AMPS hole pattern as well as the hardware needed to attach a Unified Barcode Scanner to one side of the mount

This arm includes a 3" long bolt

and adapters

LONG length double socket arm with metal knob

RAM® Universal Marine Electronic Mount - C Size Short RAM-162V-MC5 The round base adapter containsThe RAM 111U B consists of a short double socket arm, 2. 5" diameter round base, and 6. 25" x 2" rectangle base. The round base includes a 1. 5" C size rubber ball and contains pre drilled holes, including the universal AMPS hole pattern. The rectangle base also includes a 1. 5" C size rubber ball and contains a variety of pre drilled holes that are compatible with several marine electronic devices, including fishfinders and chartplotters.