Firestik K-4ADD Disc Stud Mount CB Radio Antenna with K-4A Screw-on Style Stud
Mount on any flat surface ( Trunk or Roof ) Two Heavy-Duty 2-1/2 inch circular discs (Stainless Steel Top Disc ) Installs in 1/2 inch Hole For use with any antenna up to 4 feet Includes Firestik K-4A Screw On Style Stud Firestik Model K-4ADD.