Climberslacker,
No that's not it, it was an extension bar to give your adapter more reach.
I do remember the bar being similar to that of the 1/4 bar provided with the Swiss tool and about 4" long. Something a kin to the Core bit driver on one end and an a 1/4 socket extension on the other. It may be possible to make a bar in that manner, but this was one piece.