Hi 

You get one MACOM TNC FEMALE SQUARE FLANGE BULKHEAD 50 ohm impedance RF Socket, Rated DC to 11GHz Microwave frequency. Made in the UK to NATO military specification. 

The connector has a Gold plated centre pin. The flange has 4x fixing holes.

The centre pin can be soldered to by a coax inner or soldered onto a PCB. The centre pin is solid & short in length for Microwave high frequency applications

Dimensions as illustrated in pictures are:
Fixing centres = 13mm
Mounting Flange = 17mm wide
Length inc pin = 25mm

Postage is free to UK mainland, will be sent via Royal Mail, Signed for delivery, the tracking reference will be added to your Ebay purchase once dispatched so you can track its progress to you.