Model K-4: Lug connections
Model K-4A: Screw-on connection
Firestik stud mounts have become the industry standard because of their quality. Where others use soft aluminum or light-duty hardware, Firestik uses plated machine brass and stainless steel, and our thicker 3/8" center shafts can mean the difference between trouble free use and lost antennas. Fits all Firestik antennas, mounts, and accessories.