RAM® Ball Base with 1.5" x 4.5" 4-Hole Pattern - D Size RAM-B-108B-A-237U The single swing arm allows

The single swing arm allows you to twist and tilt the viewing angle of your keyboard

The RAM antenna mount will work with any standard antenna that has a 1" -14 threaded interface

high strength composite fishing rod holder with bulkhead base

push back the release tab and go

The RAM-B-309-7U combination handlebar and brake/clutch reservoir base provides the ultimate flexibility for mounting to your motorcycle

RAM® Ball Base with 1.5" x 4.5" 4-Hole Pattern - D Size RAM-B-108B-A-237U The single swing arm allowsThe RAM D 202U 25 contains a 2. 25" diameter rubber ball connected to a rectangular plate with a 4 hole pattern of 1. 5" x 4. 5" center to center.