• RF antenna adapter: connect factory-installed cable from a single antenna in Peterbilt Semi-Tractor to a CB
• replace missing center Y-cable; convert existing coax with mini-UHF plug to a PL-259
• female end of this adapter has 3/8-24 thread (same size as fiberglass CB antennas)
• Threaded collar of PL259 end has 5/8-24 thread; mates to SO-239 socket on CB
• Using this adapter is easier than cutting end off factory coax to solder on a PL259 plug
• CBK Supply has hundreds of parts in stock:  Local pick-up: GPS 42.279521 -85.544180 
• We prefer giving pre-purchase advice but eBay blocks your contact info until you actually place an order!