RAM® Universal Marine Electronic Mount - C Size Long hummingbird 5" diameter round base with

5" diameter round base with the universal AMPS hole pattern and round adapter base that attaches directly to the back of the Garmin echo™

The locking knob

This skew does not come with the knobs needed to tighten this base down

powder coated marine grade aluminum mount

enabling a versatile RAM ball and socket system

RAM® Universal Marine Electronic Mount - C Size Long hummingbird 5" diameter round base withThe RAM 111U D consists of a 2. 5" diameter round base that contains the universal AMPS hole pattern, 9 inch double socket arm and 6. 25" x 2" rectangle base. The rectangle base contains different combinations of pre drilled holes which will match up to many electronic devices and mounts, including Marine GPS, CB Radios, Ham Radios, Gimbal Brackets and more.