The Comet RS660U is a vehicle roof-rack pipe clamp mount.
For newer wide roof racks. Opens to 2.5 inches.
Mounts to either a horizontal or vertical roof bracket.
The 5/8" hole accepts SO-239 connectors (not supplied).
It comes with two allen wrenches for adjusting.
It does not include the antenna mount or coax cable.
For antennas under 60inches.