AntennaMastsRus - AM/FM ROOF ANTENNA MAST is Compatible with Lexus RX400H (2006-2008) Fits: 2006-2008 Lexus RX400H Easy Screw-On Installation with No Modification, Cutting, or Drilling Ships from Wisconsin!! 100% Satisfaction Guarantee, Period! Let us Save YOU $$ Over your Local Dealer! Size: Length: 7", Base Width: 0.55"