New britain spark plug sockets

[waxman]

i have an old new britain plug socket,no nbd626s. it appears to have 2 sizes of plugs. does anybody know about these? thanks

 

[MShaw]

I don't recall them making a plug socket like that when I worked for New Britain. Could you post pictures inside and outside of the socket?

 

[Sam'sAutoParts]

they don't sound like anything I have ever saw. X2 on the pictures

 

[3baygarage]

Is it a flip socket? I found a Bonney flip plug socket.