I have two sockets that appear the same as to construction ,finish and weight( very heavy) the only differences is the size and name
no 1 is giller no634 1 1/16 in
no. 2 is powerKraft no84h4789
they look and feel like blackhawk hd
they are extremely heavy but are 12 pt. so i doubt they are impact sockets 
any ideas   bob w.

New Britain would be one common link, as they made tools for both at one time or another.