The RS-730 is a similar lip mount however the footprint is larger. If you have limited space along the lip edge, the RS-720 is a better option. Attach to any lip on the vehicle, vertical or horizontal, as long as the lip is no more than 1/4″ thick.
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The coax balance is low loss, 3/8-24 threaded socket to accept the antenna. The PL-259 disassembles for easier routing or to shorten the coax length. Deluxe 2-step cable assembly with wide, strong mounting stud for 3/8-24 thread antennas.
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