The Diamond K540 isn't your typical mirror mount, it's adjustable at two separate points. You can tilt the antenna forward or backwards and you can swivel the top from side to side. This makes it so you can install the antenna on either a vertical or horizontal bars, or anything in between. Comes with 13' of RG-58 coax and S0-239 (UHF) stud.
Not Recommended For Antennas Over 50"
Adjustable Nut For Antenna Tilt and Swivel
3ft Coax Cable With PL-259 Connection and SO-239 Stud