Selling my Polyphaser surge protectors/arrestors, model IS-50UX-CO. These have a SO-239 on each end to accept the usual PL-259 connector. I only have 4 of these left now (out of 8), and 2 were still in the box. They are all retested good, all come with SS machine screws, two with boxes, some with nuts and star washers as well, and 1 installation sheet. These have L brackets on them for surface mounting to a grounded plate, rod, or other grounded material. For $150 as is, I will ship a lot of 4, to any of the 48 states. If picked up here in Hot Springs Village, price is $140. Call 501 - Two Zero Five – 9235 or email.