FireStik SS-204A Adjustable stainless steel vertical door jamb mount Go to amazon.com Related posts The 4 best cb antenna jeep xj FeatureFor Amateur & CB radio antennas with 3/8-24 regular mounting thread.Stainless steel.Accepts any optional cable having PL-259 connector. DescriptionSS-204A Adjustable stainless steel vertical door jamb mount