The RAM-to-Garmin double ball LONG arm will attach to the EZ-Strap™ base, making it a complete mounting system for Garmin GPS devices that contain a factory mounting bracket that accommodates the Garmin " / 0.00cm / 0.00cmG-Ball" / 0.00cm. The overall length of the LONG arm adapter is 3" / 7.62cm / 0.00cm.