The adapter serves as a quick release mechanism
This mounting base is ideal for kayaks and water craft with limited mounting space
an 18 inch NPT metal pole
5 inch rubber balls with mounting plate attached
The square post clamp will wrap around a square post with a maximum width of 4" and is tightened by screwing the two plates together with the included nuts and bolts
RAM® Large Marine Electronics Mount RAM-108-B The adapter serves as aThe RAM 137U, powder coated marine grade aluminum mount, consists of a double socket arm mount, one 2. 5" diameter round base with 1. 5" rubber ball and flat 11" x 3" rectangular plate. The plate 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. Rubber ball, socket technology dampens shock and vibration, as well as