AntennaMastsRus - AM/FM ROOF ANTENNA MAST is Compatible with Hummer H2 (2003-2004) Fits: 2003-2004 Hummer H2 Easy Screw-On Installation with No Modification, Cutting, or Drilling Size: Length: 7", Base Width: 0.55" Ships from Wisconsin!! 100% Satisfaction Guarantee, Period! Let us Save YOU $$ Over your Local Dealer!