Abstract: A universally adjustable mounting device including a first mounting plate. Means for releasably connecting the first mounting plate to the first joint member in a selectively positionable and adjustable manner are provided. Manually adjustable locking means for retaining the first mounting plate and the first joint member in a selected position are included to resist any loosening of the selected position due to vibrational type or any other type of stressing forces that the device may undergo while in service in a moving vehicle. A second joint member and means for releasably connecting the first joint member and the second joint member, in an axially and rotationally adjustable manner, are provided to permit the device to be adjusted to accommodate various shaped and sized areas in the vehicle in which the device is to be installed.