Image is Representational - See Manufacturer Specs | Circular Connector - CPC Series 2 - Panel Mount Receptacle - 8 Contacts - PCB Socket. The 1-208657-1 CPC series 2 connectors with posted contacts accept Size 20 DF (precision formed) and Size 20 DM (screw-machined) pin and socket contacts with a .040 [1.02] pin diameter.