Car 3cm Short Rod Roof Antenna + Antenna Base With Adapter Screw Description -The Roof antenna will be very simple and time-saving assembled. In addition to the antenna, the set includes one antenna base, as well as the necessary ones M4 to M6, M5 to M6 and M6 to M6 thread adapters. -This short rod antenna has one chic and compact design with their 3cm length. Details: