Universal Roof Mast Whip Aerial Antenna Base for Dodge Sprinter 2002-2009 This stubby antenna is useful when you enter into carport which can avoid damaged Length: 9" / Base Width: 0.5". Thread Diameter: 5mm / Thread Length: 6mm This is a "100% BRAND NEW" Factory Roof Antenna Base. This base is a plug and play part, that is mounted the back roof of your car. If you accidentally broke your antenna base, then this is the part needed to fix your antenna back to a working unit