Buy from Amazon : br br Firestik Screw-On Flat Universal CB Antenna Mount-Stainless Steel For Horizontal Surfaces br br Screw-On Flat Universal CB Antenna Mount - Stainless Steel br Screw-On Stainless Steel Mount br 1 x 4 Mount for Flat Horizontal Surfaces br Use on Flat Mirror Arms Rails Bars or Step Bumpers br For Antennas Up to 4