(2) Proto Professional Hex Allen Bit 1/2" drive sockets:
(1) 5441-5/8.
(1) 5441-9/16.
Used:
5/8" is in great condition. Looks like it has never been used.
9/16" has some very light wear marks, but in very good condition.
Both have the previous owners' initials engraved on sides. "CE".