Comet Original AD-35M Antenna Mount Adapter UHF Female (SO-239) to 3/8-24 Threaded Antenna Mount

Very heavily made adapter. Solid ahold hold up nice

Using to mount hamstick to a SO-239 trunk lip mount. Does the job and feels very sturdy.

Low Swr. Works well ground screw very short, had to remove washers to add ring terminal

As advertised.

Excellent stuff - I would only say that the ground screw is much too short to be able to actually use.

Excellent quality!

I have tested with a 6 meter Ham stick and a 1.25 meter antenna. You will find the SWR may not be friendly as the length of this changes things where adjustments on the antenna to shorten it cannot make up for the length this adds. That ground screw may help somewhat with a bit of wire connected to act as a counterpoise, but that is not much of a real world use. I have not tried it with Hamsticks that handle lower frequencies to say if it will work with them. Even with the 11 meter CB frequency range, adjustments to the antenna length (shorten) will probably be substantial. I did not give this product a low rating because of that concern. I found the product to be built well enough, considering a PL259 was never intended to be used as a mobile mount connector. (That is why there are 3/8 and NMO connectors.) I simply use this adapter when my vehicle is not moving.

Quality looks good Ill update after Ive had it on for a few months on how well it last

Had a weird Magnet Mount. This gismo made it so I could attach a stud mount antenna

Very useful and solid. A bit expensive, however.