Socket id

[Macduf]

Never seen 5his marking, anyone know the maker?

 

[Private Lugnutz]

Earliest Blackhawk. It's an Indian head inside an arrowhead.

 

[Macduf]

Thanks for the update, always wonder why only one in the bunch of sockets

 

[d42jeep]

Here is my Blackhawk set. The sockets are marked like that.
-Don