Three Super Strong 5-Inch Magnets Make Up This MFJ Tri-Magnet Mount Bolted to a 1/4 Inch Triangular Mount. 17 Feet of Coaxial Line is Terminated With a PL-259 Connector. Caution: Once On, It Is Difficult To Remove. Comes with 3/8 " Connector.
See MFJ-336 M for NMO
See MFJ-336 S for SO- 239