Description Detailed Specs Downloads Reviews Description RAM MOUNT, RAM MOUNT FOR GARMIN MONTANA Detailed Specs MFG Part Number RAM-B-138-GA46 Product Type Accessory configuration RAM MOUNT, RAM MOUNT FOR GARMIN MONTANA null null null null null null null null null null Downloads Reviews The Ram Mounts RAM-B-138-GA46 is also known as RAM -RAMB138GA46 or RAMB138GA46