Check the listing for details. SILVER GOLD KINGS BNC CONNECTOR KC79-106 MIL M39012/21-0002 SDI VIDEO UG-657A/U. Condition: Used. Listed at 2.49 USD. ONE very high end BNC to SOLDER connector. (use qty to select how many you need, shipping will combine) These are SILVER PLATED old stock VERY HARD TO FIND SINCE THE NEW ONES MADE ARE NO LONGER SILVER (and these are made back when they plated thick!) Were often used in aviation and other critical important equipment. SOME ARE KINGS WITH GOLD CENTER, SOME ARE AMPHENOL WITH SILVER CENTER IF IT MATTERS TO YOU ASK PRIOR TO BIDDING SO WE CAN VERIFY STOCK, OTHERWISE YOU RANDOMLY WILL GET ONE OR THE OTHER These are great for SDI and digital video, due to the low loss characteristics and precious metal plating. GOOD USED CONDITION, NOT WORN, LOOK TO HAVE BEEN INSTALLED AND NOT USED, OR NOT HAD CABLES CHANGED ON IT MUCH- In looking them over does not look to be much if any visible wear. may have a bit of wire still on you simply heat up the solder and pull off. SEE OUR OTHER LISTING FOR SIMILAR May have some signs of bulk storage etc. Some are darker than others but as I am sure you are aware silver does that and does not affect its ability to conduct.